The mutation described, where a single nucleotide within a gene changes from an A to a G during DNA replication, is a type of point mutation.
A point mutation refers to a change in a single nucleotide base pair within a gene. It can occur through different mechanisms, such as substitution, insertion, or deletion of nucleotides. In the case mentioned, where an A is changed to a G, it is a specific type of point mutation known as a substitution. Substitutions can further be classified as transitions or transversions based on the type of nucleotide change. In this scenario, the change from A to G involves a purine (adenine) being replaced by another purine (guanine), which is considered a transition.
Point mutations can have various effects on the gene and the resulting protein product. Depending on the specific location within the gene and the amino acid encoded by that nucleotide, the mutation may lead to no change in the protein sequence (silent mutation), a change in a single amino acid (missense mutation), or the creation of a premature stop codon (nonsense mutation). The consequences of the mutation depend on its functional significance and the role of the affected gene in cellular processes or organismal development.
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the video showed that plesiadapiforms are the earliest primate ancestors because of what feature? group of answer choices nails tails a snout huge canines
Plesiadapiforms are the earliest primate ancestors because of their snout. They are extinct creatures that lived during the Paleocene epoch, and some plesiadapiforms had snouts that were rodent-like. They were thought to be the closest relatives of primates because of their similar features.
Their dental and postcranial structures, as well as the way they ate, resembled primates, indicating that they were the first primates or Plesiadapiforms evolved about 65 million years ago (mya) and disappeared 20 mya or later.The Plesiadapiforms is the closest relative of primates and has several characteristics that are primate-like, such as a large brain, a reliance on vision, and a grasping finger.
A 2011 study by Jonathan Bloch et al. found fossils that were over 60 million years old in the Hell Creek Formation of Montana, which were assigned to a new genus and species, Purgatorius, and suggested that the group might have originated in North America and later dispersed to Asia. The dentition of Purgatorius shows greater complexity than any other mammal from the time, suggesting that it is ancestral to primates or at least on the primate lineage.
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Many pine trees grow in the taiga, the largest habitat in the world. Using incredible sources such as nasa research the typical climate conditions in the taiga. Explain why the structure of pine cones helps ensure successful reproduction in the taiga
Answer:
because the pines are seed so yes trust me I belive
How do living systems, such as sea stars, carry out life functions and respond to changes in their environment?
Explanation:
Starfish have an extraordinary ability to regenerate any sectioned part; If an arm or part of it is separated, not only the damaged area of the body is regenerated, but the other separated part can develop and regenerate as well, becoming a new individual. We will explain this process later.
what would happen to genetic variation if maternal chromosomes always lined up together on one side of the metaphase plate during meiosis i and paternal chromosomes always lined up on the other side?
During meiosis, there are two stages of chromosome separation that occur. Chromosomes can randomly assort, which is known as independent assortment, resulting in genetic variation in offspring. Crossing over can also occur, in which segments of chromosomes are exchanged, resulting in even more genetic variation.
If maternal chromosomes always lined up together on one side of the metaphase plate during meiosis I and paternal chromosomes always lined up on the other side, it would likely lead to a decrease in genetic variation.
Independent assortment is the random sorting of chromosomes during meiosis, which can lead to an assortment of combinations in the offspring. If maternal and paternal chromosomes always lined up on opposite sides, it would reduce the chance of random assortment.
Additionally, crossing over between maternal and paternal chromosomes during meiosis I is another source of genetic variation, which would also be impacted by the chromosomes always lining up in a specific pattern. If maternal and paternal chromosomes were always segregated to specific sides, there would be fewer opportunities for crossing over to occur.
Overall, the effect of maternal and paternal chromosomes always lining up on opposite sides would be a reduction in genetic variation. This could potentially be problematic, as genetic variation is important for species survival and adaptation.
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MULTIPLE CHOICE QUESTION Asexual reproduction can be efficient and fast. False True
Answer:
true
Explanation:
This form of reproduction creates a clone of the parent, and has the benefit of usually being very quick and energy efficient. For example, bacteria that reproduce by binary fission can give rise to progeny every few hours.
Many factors can affect the toxicity of a contaminant. The characteristics of the ecosystem where the contaminant is released constitutes one of these factors. For each of the following statements, identify another factor that affects toxicity.
a) Certain plants can absorb heavy metals that are toxic to humans but that do not harm the plants themselves.
b) As the result of a hydrochloric acid spill, all the amphibians in the spill area quickly died off.
c) All his life, Max has lived near a factory that emits toxic fumes. His health has been affected by certain pollutants in the smoke.
For each statement provided, the identified factor that affects toxicity is as follows: a) bioaccumulation in plants, b) direct chemical toxicity, and c) long-term exposure to pollutants.
a) In the case of certain plants absorbing heavy metals that are toxic to humans but not harmful to the plants themselves, the factor that affects toxicity is bioaccumulation. Some plants have the ability to absorb and accumulate heavy metals from the environment without experiencing harmful effects. When humans consume these plants, they can be exposed to high levels of heavy metals, leading to potential toxicity.
b) In the scenario where all amphibians in the spill area quickly died off after a hydrochloric acid spill, the factor that affects toxicity is the direct chemical toxicity of hydrochloric acid. Hydrochloric acid is highly corrosive and can cause severe damage to tissues upon contact. The rapid death of amphibians suggests that the direct exposure to hydrochloric acid resulted in their mortality.
c) The long-term exposure to pollutants emitted by the factory and its impact on Max's health indicates that the factor affecting toxicity is the duration and frequency of exposure. Continuous exposure to toxic fumes from the factory over a prolonged period can lead to adverse health effects. The cumulative effect of repeated exposure increases the potential for pollutants to cause harm to Max's health.
It's important to note that toxicity can be influenced by various other factors such as dose, individual susceptibility, chemical interactions, and environmental conditions. The specific circumstances surrounding each case will determine the relevant factors affecting toxicity.
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Water (H20) is pretty common in the solar system, but water plays a particularly important role on Earth. All chemical reactions in living systems occur in water. But water also has another unique characteristic on Earth. Water can be found in which states of matter on Earth?
Answer: solids, liquids and gas
Explanation: Water is the only thing that can be a solid (ice) liquid (water itself) and gas (steam).
Hope this helps!
Answer:
solid, liquid & gas is the answer.
Explanation:
Solid is ice.
Liquid is water.
Gas is steam.
Briefly describe how climate change may potentially impact the
population in one region.
Climate change can have significant impacts on the population of a region, leading to changes in ecosystems, biodiversity, and human livelihoods.
Climate change can disrupt the balance of ecosystems and directly affect the population of a region. Rising temperatures, changing precipitation patterns, and extreme weather events can alter habitats, impacting the distribution and abundance of species. This can result in shifts in the population dynamics of plants, animals, and microorganisms, affecting food chains and ecosystem functioning.
The impacts of climate change can also have indirect effects on human populations. Changes in temperature and precipitation patterns can affect agricultural productivity, water availability, and natural resources, leading to impacts on food security and livelihoods. Additionally, climate change can exacerbate the frequency and intensity of extreme weather events such as hurricanes, droughts, and floods, posing risks to human health, infrastructure, and economic stability.
Overall, climate change has the potential to cause significant disruptions to the population in a region, including ecological imbalances and challenges to human well-being and sustainability. Mitigation and adaptation strategies are crucial to minimize the negative impacts and promote resilience in the face of climate change.
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question which statement best explains why cell differentiation is essential to the structure and function of multicellular organisms? responses it fixes mutations in dna that were created during replication. it fixes mutations in , d n a, that were created during replication. it creates the specialized cells needed to form tissues and organs. it creates the specialized cells needed to form tissues and organs. it produces the proteins needed for chemical reactions to keep the body moving. it produces the proteins needed for chemical reactions to keep the body moving. it makes the cells grow larger as the body grows.
Cell differentiation is the process by which unspecialized cells acquire specialized forms and functions. This process is essential to the structure and function of multicellular organisms because it creates the specialized cells needed to form tissues and organs.
Cell differentiation is an essential process that takes place in all living organisms. It is the process by which cells differentiate into specialized cell types, such as skin cells, muscle cells, and blood cells. During this process, cells go through a series of changes that allow them to take on specific functions.
In multicellular organisms, cell differentiation is essential to the structure and function of the body. Without specialized cells, tissues and organs cannot form, and the organism cannot function properly. Cell differentiation allows cells to specialize in a particular function and work together to form the tissues and organs that make up the body.
Therefore, the best statement that explains why cell differentiation is essential to the structure and function of multicellular organisms is "it creates the specialized cells needed to form tissues and organs."
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Which statements below best describes the temperature of the atmosphere at various altitudes
Answer:
Wfjeifjoijefq
Explanation:
What does the caliper read?
A caliper is a tool utilized for measuring distances or thicknesses, and it is commonly utilized in mechanical and engineering settings. Calipers are often used to determine the width of objects with high precision.
The term "caliper" might imply a device that is used to determine the thickness of a surface or an item, among other things. The reading given by a caliper is typically presented in millimeters or inches, depending on the tool's construction and application. Many models include both metric and imperial readings so that the user may utilize the measuring tool for various projects. Vernier calipers, digital calipers, and dial calipers are the three main types of calipers.Vernier Caliper: The Vernier caliper has two jaws. The tool's primary scale is the primary caliper and is marked in millimeters. The vernier caliper features a second scale, known as the Vernier scale, which allows the user to read measurements with a higher degree of accuracy. The Vernier scale is marked with minor marks that are spaced at slightly different intervals than those on the primary scale. Digital Caliper: A digital caliper is a high-precision measuring tool that can display measurements in digital format. The digital caliper has a small digital display that shows the measurement. This makes taking measurements faster and easier, with readings to a higher degree of accuracy. Dial Caliper: The dial caliper works similarly to the vernier caliper, with the primary caliper scale marked in millimeters or inches. It features a dial that provides more precise measurements than a vernier caliper. The measurement obtained through the dial caliper is more comfortable to read than one obtained with the vernier caliper.For such more questions on caliper
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Which of the following are Eurodollar certificate of deposit denominations? Check all that apply. A. $100,000 B. $500,000 C. $1,000,000 D. $7,000,000
The Eurodollar certificate of deposit denominations are:
A. $100,000
B. $500,000
C. $1,000,000
Eurodollar certificate of deposits (Eurodollar CDs) are time deposits denominated in U.S. dollars and held outside of the United States. They are commonly used by foreign investors and institutions to park their funds in U.S. dollars.
The denominations of Eurodollar CDs can vary, but they typically come in larger amounts compared to regular domestic certificates of deposit. The purpose of larger denominations is to attract institutional investors and high-net-worth individuals who have substantial funds to invest.
Based on the given options, A ($100,000), B ($500,000), and C ($1,000,000) are all denominations that are commonly associated with Eurodollar certificates of deposit.
These amounts represent larger investment sizes that are suitable for institutional investors and individuals with significant capital. D ($7,000,000) is not a commonly mentioned denomination for Eurodollar CDs.
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Draw the morphological tree structure for the word "inflammable" that has the meaning able to catch on fire easily
The morphological tree structure for the word "inflammable," which means "able to catch on fire easily," can be represented given below.
The morphological tree structure for the word "inflammable" reflects its composition and meaning. The word can be divided into two morphemes: "in-" and "-able." The prefix "in-" functions as a negation, indicating the opposite or absence of a particular characteristic. In this case, it negates the meaning of "flammable" which denotes the ability to catch fire easily. The suffix "-able" is added to the base form "flammable" to indicate the capability or possibility of the root word.
inflammable
/ \
in- -able
/ \
not capable
The morphological tree structure represents the hierarchical relationship between the morphemes in the word. Starting from the root node "inflammable," the tree branches out into two branches: one for the prefix "in-" and another for the suffix "-able." The prefix "in-" leads to the morpheme "not," indicating the negation of the base word "flammable." The suffix "-able" leads to the morpheme "capable," signifying the ability or possibility of the root word.
By breaking down the word "inflammable" into its constituent morphemes, the morphological tree structure helps to understand the formation and meaning of the word.
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In all the questions that follow, assume that p represents the frequency of HbA. Q3.4. If the frequency of HbA homozygotes is 0.1, what is the value of p2?
The value of [tex]p^2[/tex] is 0.1.
In this scenario, p represents the frequency of HbA, which is the allele for a specific gene. The frequency of HbA homozygotes, or individuals with two copies of the HbA allele, is given as 0.1. This means that [tex]p^2[/tex], representing the frequency of individuals with two copies of the HbA allele, is also 0.1.
The equation [tex]p^2[/tex] represents the frequency of individuals who are homozygous for a specific allele. Since the frequency of HbA homozygotes is given as 0.1, we can infer that the value of [tex]p^2[/tex] is also 0.1. This indicates that 10% of the population carries two copies of the HbA allele.
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What happened to both finch populations when the seed supply shrank to its lowest amount? Why?
Answer:
Because the drought reduced the number of seeds and finches with bigger beaks were able to eat the larger and harder seeds so more of them survived.
Draw a line from each nutrient to a good source of that nutrient in our diet.
The nutrients are as follows;
Starch - Pasta
Fat - Margarine
Proteins - Lean chicken meat
Sugar - Jam
What is the source of the nutrients?Protein is found in animal and plant-based sources. Animal sources include lean meats, poultry, fish, eggs, and dairy products. Plant-based sources include legumes (beans, lentils, chickpeas), tofu, tempeh, seitan, nuts, and seeds. Protein is essential for building and repairing tissues and supporting various bodily functions.
Healthy fats are found in sources such as avocados, nuts, seeds, olive oil, and fatty fish (salmon, mackerel, sardines). These provide essential fatty acids (omega-3 and omega-6), vitamin E, and help absorb fat-soluble vitamins.
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The Moon can be seen on Earth because it produces its own light. True or false
Answer:
false
Explanation:
These different faces are called phases and they are the result of the way the Sun lights the Moon's surface as the Moon orbits Earth. The Moon can only be seen as a result of the Sun's light reflecting off it. It does not produce any light of its own.
Answer:
FALSE
Explanation:
cuz it obtain light produced by sun
interrupted conjugation is used to map three genes in e. coli. the donor genes appeared in the recipient as follows: azi at 4 minutes, ala at 7 minutes, and arg at 6 minutes. which gene is in the middle?
Interrupted conjugation, also known as interrupted mating, is used to map three genes in E. coli. This technique is used to determine the order of three genes on a single chromosome.
Conjugation is interrupted, usually by centrifugation, to ensure that only cells that have completed one or two rounds of DNA replication are transferred. Interrupted conjugation is used to determine the order of transfer of the three genes: azi (4 minutes), ala (7 minutes), and arg (6 minutes) from the donor to the recipient.
Which gene is in the middle?Azi at 4 minutes, arg at 6 minutes, and ala at 7 minutes are the order of transfer of the three genes from the donor to the recipient, respectively. The gene in the middle can be determined by calculating the time required for each gene to transfer from the donor to the recipient. The middle gene is the one that takes the longest time to transfer, while the other two genes take shorter periods of time.
In this scenario, it can be seen that arg was transferred first and that ala was transferred last. Therefore, azi is in the middle. Thus, the answer is azi.
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2.All cells are ______ and they ____
Answer:
All cells are the basic building blocks of living things and they provide structure for the body.
Explanation:
.Which of the following categories was introduced as an advancement to the original Linnaean Taxonomy?
A. Archaea
B. Fungi
C. Plantae
D. Protista
The category that was introduced as an advancement to the original Linnaean Taxonomy is the kingdom Monera.
Monera was introduced as an advancement to the original Linnaean Taxonomy. The Linnaean classification system is a biological classification system based on the morphological characteristics of organisms, with a hierarchical structure that moves from the broadest to the most specific categories.
The categories are kingdom, phylum, class, order, family, genus, and species. Carolus Linnaeus established a hierarchical method of classification based on similarities in physical traits, which he called taxonomy. However, as more information became available, the need for more taxonomic categories became apparent. So, new categories were added to Linnaeus' classification system.
The kingdom Monera is one of these new categories that were added to the original Linnaean taxonomy. Other new categories that were added to the original Linnaean taxonomy include domains and superkingdoms. The three domains are Archaea, Bacteria, and Eukarya.
They were introduced to represent the major branches of life on Earth. For example, archaea and bacteria were previously classified as monera.
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in a human, if the brachiocephalic trunk was narrowed with atherosclerosis, what additional pathways would be essential to maintain blood supply to the brain? view available hint(s)for part f in a human, if the brachiocephalic trunk was narrowed with atherosclerosis, what additional pathways would be essential to maintain blood supply to the brain? left common carotid and left vertebral arteries right common carotid and right vertebral arteries right and left internal carotid arteries right and left vertebral arteries
Atherosclerosis is a disease where there is a buildup of plaque in the arteries. In the human body, if the brachiocephalic trunk was narrowed with atherosclerosis, the additional pathways that would be essential to maintain blood supply to the brain would be the right and left internal carotid arteries along with right and left vertebral arteries.
The vertebral arteries arise from the subclavian arteries, pass through the foramina in the transverse processes of the cervical vertebrae, and enter the skull through the foramen magnum.In cases where the brachiocephalic trunk is narrowed with atherosclerosis, blood can still be supplied to the brain through these arteries as they provide collateral circulation to the brain.
Blood flow to the brain is an essential component for brain functions and activities. Any impairment in blood flow to the brain due to any medical condition can lead to serious complications such as stroke and brain damage.
The left common carotid and left vertebral arteries, right common carotid and right vertebral arteries along with the left and right internal carotid arteries and vertebral arteries all work together to ensure the brain receives an adequate amount of blood supply to carry out its functions properly.
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1. What are the major sources of energy utilized during a 100 meter race, a 1000 meter race, and a marathon? 2. How are NADH and NADPH similar and how do they differ? Describe roles of each of these cofactors in 3. How is the hydrolysis of ATP coupled to reactions? What phosphate groups in ATP are used in energy How do runners transition from one energy source to another during the course of a marathon? human metabolism. coupling reactions and what phosphate group is not used? Why is the unused group not appropriate substrate for energy metabolism?
During a 100-meter race, the ATP-PCr system is the primary energy source, while a 1000-meter race relies more on aerobic glycolysis and oxidative phosphorylation. In a marathon, the aerobic system dominates, utilizing the breakdown of carbohydrates.
1. During a 100-meter race, the primary source of energy is derived from the ATP-PCr (adenosine triphosphate-phosphocreatine) system, which provides a quick burst of energy for short, intense efforts.
In a 1000-meter race, the aerobic energy system becomes more significant, utilizing a combination of aerobic glycolysis and oxidative phosphorylation to generate ATP.
During a marathon, the aerobic system dominates, relying heavily on oxidative phosphorylation through the breakdown of carbohydrates and fats to produce ATP over an extended period.
2. NADH (nicotinamide adenine dinucleotide) and NADPH (nicotinamide adenine dinucleotide phosphate) are both coenzymes derived from vitamin B3 (niacin) and play critical roles in cellular metabolism.
They are structurally similar but differ in their function and the reactions they participate in. NADH is primarily involved in catabolic reactions, such as the citric acid cycle and oxidative phosphorylation, where it accepts and carries high-energy electrons to produce ATP.
NADPH, on the other hand, is involved in anabolic reactions, including fatty acid and cholesterol synthesis, as well as providing reducing power for antioxidant defense and biosynthesis.
3. The hydrolysis of ATP (adenosine triphosphate) is coupled to reactions through the transfer of the terminal phosphate group. When ATP is hydrolyzed, it releases energy and forms ADP (adenosine diphosphate) and inorganic phosphate (Pi).
This energy release is used to drive various cellular processes, such as muscle contraction, active transport, and enzyme-catalyzed reactions. The phosphate groups in ATP are labeled as alpha, beta, and gamma phosphates.
The terminal phosphate group, the gamma phosphate, carries the highest-energy bond, and its hydrolysis provides the energy needed for cellular work.
The unused phosphate group, the alpha phosphate, is not an appropriate substrate for energy metabolism because its hydrolysis does not release a significant amount of energy comparable to the gamma phosphate.
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what energy is pulling an arrow back a. kinetic energy B. thermal energy C. gravitational potential energy D. elastic potential energy
Answer:
D
Explanation:
All living things must have a method of replication
True or false!?
Answer: True
Explanation:
what is the term for mutations that do not change the amino acid but are located in an exon? group of answer choices
The term for mutations that do not change the amino acid sequence but are located in an exon is synonymous mutations. Synonymous mutations, also known as silent mutations, are genetic changes in the DNA sequence that do not result in a change in the corresponding amino acid during protein synthesis.
The term for mutations that do not change the amino acid sequence but are located in an exon is synonymous mutations. Synonymous mutations, also known as silent mutations, are genetic changes in the DNA sequence that do not result in a change in the corresponding amino acid during protein synthesis. In protein-coding genes, exons are the regions of DNA that contain the coding sequences, which are transcribed into messenger RNA (mRNA) and eventually translated into proteins. While mutations in exons can sometimes lead to alterations in the amino acid sequence, synonymous mutations occur when a nucleotide change in the DNA sequence does not affect the final protein product.
These mutations can occur due to the degeneracy of the genetic code, where multiple codons can code for the same amino acid. As a result, a nucleotide change in the DNA sequence may result in a different codon that still codes for the same amino acid. Therefore, synonymous mutations do not affect the final protein structure or function but can have other implications, such as influencing mRNA stability or translation efficiency.
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The type of mutations that do not alter the amino acid sequence but are situated in an exon are synonymous mutations. Synonymous mutations are those DNA alterations that do not alter the amino acid sequence of the protein. Synonymous mutations, also known as silent mutations, have no effect on the protein's function or structure. Therefore, the protein's normal function and activity are unaffected by the substitution.Therefore, synonymous mutations have no direct impact on the genetic code, nor do they cause genetic disorders. The change in DNA sequence may also have an indirect effect on the activity of the gene or protein and hence is not always completely neutral. These mutations occur due to the degenerate nature of the genetic code, which means that some codons code for the same amino acid. As a result, a mutation in one of these codons would have no effect on the amino acid sequence. However, such mutations can play a role in the regulatory elements and the formation of functional domains. Synonymous mutations, on the other hand, are less likely to have an effect on gene expression levels than non-synonymous mutations, which alter the amino acid sequence. In summary, synonymous mutations have a minor impact on protein function and are therefore often referred to as "silent" mutations.
2. Distinguish between prokaryotic and eukaryotic cells
Prokaryotic:
Eukaryotic:
Answer:
Prokaryotes are organisms that consist of a single prokaryotic cell. Eukaryotic cells are found in plants, animals, fungi, and protists. They range from 10–100 μm in diameter, and their DNA is contained within a membrane-bound nucleus. Eukaryotes are organisms containing eukaryotic cells ...... here you go that the answer hope it helps you pleas make me brainliest
QUICK HELP!! Describe the classification of plants. Be sure to include the two major groups and explain how they are further divided.
Answer:
Plants are grouped into two main categories, nonvascular and vascular plants. Vascular plants are further divided into seedless and seed plants. Seed plants are further divided into nonflowering and flowering plants.
Hope this Helps!
Answer:
Plants are grouped into two main categories, nonvascular and vascular plants. Vascular plants are further divided into seedless and seed plants. Seed plants are further divided into nonflowering and flowering plants.
Explanation:
Its correct on edg 2021, Have a blessed day
which of the following hominin genera evolved bipedal running adaptations? group of answer choices homo australopithecus. sahelanthropus orrorin
Among the given options, the genus Homo is associated with bipedal running adaptations. Homo is a genus that includes modern humans (Homo sapiens) as well as extinct species such as Homo erectus and Homo neanderthalensis.
Bipedalism, or walking on two legs, is a defining characteristic of hominins, which includes both the genus Homo and some extinct genera like Australopithecus. However, when it comes to specifically evolved adaptations for running, it is Homo that stands out.
The evolution of bipedal running adaptations coincided with the emergence of Homo erectus, an early human ancestor believed to have lived around 1.9 million to 143,000 years ago. Fossil evidence suggests that Homo erectus had skeletal features conducive to efficient running. These adaptations include longer lower limbs, shorter arms, enlarged hip joints, and a more efficient stride.
This evolutionary shift towards running adaptations in Homo was significant because it allowed for enhanced endurance and pursuit hunting strategies. The ability to run over long distances for extended periods provided a competitive advantage in acquiring food and evading predators.
In contrast, other hominin genera mentioned in the options, such as Australopithecus, Sahelanthropus, and Orrorin, are not typically associated with specialized adaptations for bipedal running. While Australopithecus species, including Australopithecus afarensis (such as "Lucy"), were bipedal, they did not possess the same level of running adaptations seen in later Homo species.
Therefore, among the given options, it is the genus Homo that specifically evolved bipedal running adaptations, with Homo erectus being a notable example.
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#1 / Describe how an allosteric inhibitor operates and use an example to explain how it works.
#2 / Describe a competitive inhibitor and use an example to explain how it works.
Answer:
Allosteric control, in enzymology, inhibition or activation of an enzyme by a small regulatory molecule that interacts at a site (allosteric site) other than the active site (at which catalytic activity occurs). The interaction changes the shape of the enzyme so as to affect the formation at the active site of the usual complex between the enzyme and its substrate (the compound upon which it acts to form a product). As a result, the ability of the enzyme to catalyze a reaction is modified. This is the basis of the so-called induced-fit theory, which states that the binding of a substrate or some other molecule to an enzyme causes a change in the shape of the enzyme so as to enhance or inhibit its activity.
compared with neanderthals, early humans had group of answer choices a more limited diet emphasizing big game animals. more physical adaptations for living in a cold climate. a larger average cranial capacity. a taller cranium and more vertical forehead.
Compared with Neanderthals, early humans had a larger average cranial capacity. The early humans are the only surviving hominids of all other hominids that existed before 35,000 years ago.
A couple of hominids lived alongside early humans, including Neanderthals, that were most closely related to humans with shared origins around 500,000 years ago.Neanderthals were highly adapted to cold environments with their heavy, thickset bodies and wide, stocky builds that allowed them to conserve heat in their bodies.
They also had short limbs, broad hands, and robust builds that enabled them to hunt big game animals and carry them over long distances. These cranial features suggest that early humans had more advanced cognitive abilities, which may have contributed to their success in adapting to changing environments and developing more sophisticated tools and weapons.
Additionally, early humans had a more limited diet than Neanderthals, with a greater emphasis on hunting big game animals rather than gathering other foods. They were also less adapted to living in cold climates and relied on fire and clothing to stay warm, rather than their physical adaptations.
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