Answer:
if a rock it's self is readily broken apart it has lots of cracks and fractures, allowing rainwater to drain through it quickly.
Explanation:
I hope that helps sorry if it's wrong.
true or false: the most effective drugs that treat infections caused by flukes, tapeworms, and roundworms eradicate the adult stages of the organisms.
The given statement, "the most effective drugs that treat infections caused by flukes, tapeworms, and roundworms eradicate the adult stages of the organisms" is generally true for most of the drugs that treat such infections.
These drugs, referred to as anthelmintics, are used to get rid of parasitic infections caused by helminths, which include flukes, tapeworms, and roundworms.The effectiveness of anthelmintic drugs depends on the type of parasite being targeted.
Some anthelmintic drugs work on more than one type of parasite. Antihelminthic drugs like albendazole, ivermectin, mebendazole, and praziquantel are used to treat parasitic infections. In addition, in most cases, the medication is administered more than once, in order to get rid of any remaining adult parasites.
Therefore, it can be concluded that the given statement is true as anthelmintic drugs can effectively treat infections caused by flukes, tapeworms, and roundworms by eradicating the adult stages of the organisms.
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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
What is life? just an experiment
Best answer gets brainliest
Answer:
life is what it means to exist.
Explanation:
Imagine if a tree fell in the middle of the forest and no one was there to hear it. Did it make noise? And if an entire universe unfolded and then died leaving no trace, and no life, no organism, ever saw it, did it even ever exist? Life is what it means to exist, if there's no life, then there's no existence.
cramping during the menstrual cycle is due to the secretion of which hormone? group of answer choices epinephrine prostaglandins norepinephrine erythropoiet
Cramping during the menstrual cycle is due to the secretion of prostaglandins. Menstrual cramps, which are medically known as dysmenorrhea.
can be defined as throbbing, aching pain that occurs in the lower abdomen before and during menstruation. It may also occur in the lower back, thighs, and pelvis.The cramps are caused by the uterus contracting or squeezing in order to expel the lining. Prostaglandins, a hormone-like substance, are produced in the lining of the uterus and play a significant role in uterine contraction.
This causes the uterus to contract more strongly than usual, which can lead to severe menstrual cramps. Prostaglandins, on the other hand, are not the sole cause of menstrual cramps. Hormonal imbalances, fibroids, endometriosis, and other factors can all contribute to menstrual cramps.
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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.
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 is the meaning of life
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.
A student notices that a water plant placed in bright light gives off bubbles. The student wants to design an experiment to investigate the effect of light
intensity on the rate of bubble production
What would be an appropriate experimental design to test the effect of light intensity on the rate of bubble production?
Answer/Explanation:
Set up 4 highly similar (same species, ideally same size and health) water plants under exactly the same conditions except for light intensity.
Cover one plant with a cover such that no light can get through
Cover the other plants such that no light can get through except for the light from the following lamps:
Put one plant under a semi-dull lamp
Put one plant under a bright lamp.
Put one plant under a very bright lamp
This means you have entirely controlled how much light gets to each plant, but everything else is the same
If the net force acting on an object is equal to zero newtons, is it moving or at rest? Explain.
Answer:
Newton's First Law of Motion
An object's velocity (a vector) does not change if and only if the net force acting on the object is zero. In other words, if there is no net force on an object, its speed and direction of motion do not change (including if it is at rest).
why would a cell express the aquaporin protein if water can cross the membrane in the absence of aquaporin? choose one: a. aquaporin moves a positively charged ion along with water across the membrane. b. aquaporin facilitates the faster movement of water molecules across the membrane. c. aquaporin limits the movement of water molecules so they do not move too quickly across the membrane. d. water molecules cannot cross the membrane in the absence of a pore like aquaporin
Aquaporin facilitates the faster movement of water molecules across the membrane. The movement of water across the membrane in the absence of aquaporin is a slow process. Aquaporin is a water channel protein that allows water to pass through cell membranes more quickly and efficiently than it would otherwise.
Hence, cells express the aquaporin protein to speed up the process of water transport.In a cell, water moves through the membrane by diffusion, and this process is slow without the presence of aquaporin. Aquaporin channels allow for the rapid and efficient transport of water across the membrane.
Aquaporins are typically found in cells that require rapid water transport, such as cells in the kidneys, eyes, and brain.
Aquaporin proteins can selectively conduct water and solutes through cell membranes, allowing the movement of water and small solutes in and out of cells.
Aquaporin channels are also important for the maintenance of osmotic balance in cells and for the regulation of water homeostasis.
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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.
Why is oxygen not the most abundant gas in the atmosphere?
Answer:
Compared to Oxygen, Nitrogen is 4 times as abundant in the atmosphere. Here is why Nitrogen is more abundant in the atmosphere:
Of course, we must also consider the relative abundances of Oxygen and Nitrogen over the entire Earth (oxygen is about 10,000 times more abundant). Oxygen is a major component of the solid earth, along with Si and elements such as Mg, Ca and Na. Nitrogen is not stable as a part of a crystal lattice, so it is not incorporated into the solid Earth, so it is not incorporated into the solid Earth. This is one reason why nitrogen is so enriched in the atmosphere relative to oxygen. The other primary reason is that, unlike oxygen, nitrogen is very stable in the atmosphere and is not involved to a great extent in chemical reactions that occur there. Thus, over geological time, it has built up in the atmosphere to a much greater extent than oxygen.
What two vocabulary terms in this lesson have plasm as a root?
Answer:
chloroplasts and endoplasmic
Explanation:
The vocabulary words golgi apparatus and chloroplasts both have plasma as a root in this lesson.
What is the endoplasmic reticulum's primary purpose?The biggest organelle in the cell, the ER, plays a key role in the production and transport of proteins, folding, synthesis of lipids & steroid hormones, glucose metabolism, and calcium storage.
What does the endoplasmic reticulum look like?In eukaryotic cells, the golgi apparatus is the biggest single structure. It has a variety of linked geometries, such as sheets & tubules, and it has a lumen that is surrounded by the a barrier that is contiguous with the barrier that covers the cell's nucleus.
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What are the two portions of lipid molecules?
Answer:
The portion of the molecule that is responsible for the lipid part of the name is THE LIPID TAILS.
A typical phospholipid molecule is made up of two distinct regions which are the head and the tail regions.
The head region is made up of the phosphate group and is polar in nature. The tail region is made up of the fatty acid components and is non polar in nature. Thus, the head of the phospholipid is hydrophilic while the tail region is hydrophobic.
Explanation:
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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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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
Which statements below best describes the temperature of the atmosphere at various altitudes
Answer:
Wfjeifjoijefq
Explanation:
In the big five personality model assesses the degree to which you arevsocialy or antisocial, outgoing or why assertive or passive active or inactive,and talkative or quiet
The Big Five Personality Model assesses the degree to which one is social or antisocial, outgoing or shy, assertive or passive, active or inactive, and talkative or quiet.
1. Openness: This dimension assesses the degree to which a person is open to new experiences, ideas, and perspectives.
2. Conscientiousness: This dimension assesses the degree to which a person is organized, reliable, and responsible. People who score high on this dimension are dependable, hardworking, and goal-oriented.
3. Extraversion: This dimension assesses the degree to which a person is outgoing, assertive, and sociable. People who score high on this dimension are energized by social interactions and enjoy being the center of attention.
4. Agreeableness: This dimension assesses the degree to which a person is cooperative, empathetic, and caring. People who score high on this dimension are kind, compassionate, and supportive.
5. Neuroticism: This dimension assesses the degree to which a person is anxious, moody, and prone to emotional distress. People who score high on this dimension are more likely to experience negative emotions such as worry, fear, and sadness.
In conclusion, The Big Five Personality Model provides an overview of personality by assessing the degree to which one is social or antisocial, outgoing or shy, assertive or passive, active or inactive, and talkative or quiet.
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compare and contrast endocytosis and exocytosis.
please help!!!
3. The cell wall is compared to what job?
Answer: The cell wall surrounds the plasma membrane of plant cells and provides tensile strength and protection against mechanical and osmotic stress.
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.
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 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.
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:
Stem Cells A stem cell is an u_____ Stem cells from human e cells. Stem cells from adult b m__________ can form cells including b M _____cells in plants can differentiate into any type of plant cell. and p. Stem cells may be able to help treat d In t cloning an embryo is produced with the same DNA as the patient. Stem cells from the embryo are not r as they have the same DNA and antigens as the patient. e cell that can be copied or change into other cell types. can differentiate into most different types of human Risks from stem cell treatment include the transfer of v people have e or r objections. Plant meristem stem cell can be used to produce clones of plants q cells. pathogens, and some and R species can be cloned to protect from e It is possible to clone large numbers of identical Crop plants with desirable features such as d resistance or high crop y
Stem Cells A stem cell is an undifferentiated cell that can be copied or changed into other cell types. Stem cells from human embryonic cells can differentiate into most different types of human cells. Stem cells from adult bone marrow can form cells including blood cells.
Stem cells in plants can differentiate into any type of plant cell. And plant meristem stem cell can be used to produce clones of plants.In cloning, an embryo is produced with the same DNA as the patient. Stem cells from the embryo are not rejected as they have the same DNA and antigens as the patient.Stem cells may be able to help treat diseases. Risks from stem cell treatment include the transfer of pathogens and some people have ethical or religious objections. Species can be cloned to protect from extinction.
It is possible to clone large numbers of identical crop plants with desirable features such as disease resistance or high crop yield.
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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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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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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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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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