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The principle relate to tree ring dating as the organism have evolved by slow gradual uniform changes
The principle of uniformitarianism says that the present is the key to the past and the principle has a profound impact on the science and geology and the idea that earth has always changed in uniform ways and that the present is the key to the past and this principle to understanding earth history and Darwinian evolution uses the principle of uniformitarianism as the central idea of descent with modification that organism have evolved by slow gradual uniform changes and the simpler organism the older it is assumed
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Related Questions
Which type of earths crust caused these layers to be higher in the background than they are in the foreground
A. Uplift
B. Vibration
C. Shearing
D. Compression
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Answer:
the correct answer is objective A
Please help me, I have a F
Answers
Failure to build spindle - anaphase
Failure to dissolve the nuclear membrane - prophase
Failure to condense chromosome - metaphase
What is mitosis?Mitosis is the division of vegetative cells to produce two daughter cells. The process occurs in 4 steps:
Prophase: a stage where the nuclear membrane dissolves and the chromosomes condense to become visible under the microscope.Metaphase: a stage where the condensed chromosomes line up at the center of the cell to form a metaphase plate. each chromosome also gets engaged by the spindle fibers from the opposite ends of the cell. Anaphase: sister chromatids are pulled to opposite poles as a result of the shortening of the spindle fibers.Telophase: sister chromatids complete their migration to the poles. The chromosomes decondense back and the nuclear membrane reappears.Thus:
Failure to build spindle fibers will affect anaphase the most.Failure to dissolve the nuclear membrane will affect prophase the mostfailure to condense chromosomes will affect metaphase the most.More on mitosis can be found here: https://brainly.com/question/26678449
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fungi that invade plant cells in their roots but do establish a mutualistic relationship are choose one: a. ectomycorrhizae. b. endomycorrhizae. c. generalists in terms of their mutualistic relationships. d. opportunistic pathogens.
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Fungi that invade plant cells in their roots but do establish a mutualistic relationship are endomycorrhizae. Option B.
The definition of endosymbiont indicates that the bacterium is localized in the cytoplasm of the cell or in the hyphae of its fungal partner. Specifically, bacteria grow within their corresponding fungal membranes, commonly called vacuoles or symbiosomes. Fungi act as decomposers, breaking down dead organisms and other organic matter.
Fungi act as parasites that feed on their hosts. In addition, some fungi cause diseases and infections in humans such as. Athlete's foot skin rashes and ringworm. Fungi and bacteria live symbiotically in a variety of environments. Their interactions are key drivers of many ecosystem functions and are important for plant and animal health. Rhizosphere organisms detrimental to plant growth and health include pathogens oomycetes bacteria and nematodes.
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Connect explain the relationship between the carbon in a molecule of glucose and the cellulose found in a plant cell wall
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Answer:
The cell walls of plants are mostly filled with cellulose, which provides support to the cell. Wood and paper are the most cellulosic in nature. Cellulose is made up of glucose monomers that are linked by "bridges" between particular carbon atoms in the glucose molecule.
Plants' cell walls, which provide the cell its structural support, are mostly formed of cellulose. Glucose monomers that are connected by bonds between certain carbon atoms in the glucose molecule make up cellulose.
What is plant cell wall made up of?Cellulose is the primary component of plant cell walls, and it is responsible for providing the cell with the necessary structural support. The majority of wood and paper are cellulosic in their natural state. Cellulose is made up of glucose monomers that are joined together by bonds between certain carbon atoms in the glucose molecule. These bonds are what give glucose its structure.
A network of cellulose microfibrils and cross-linking glycans are embedded in a highly cross-linked matrix of pectin polysaccharides to form the cell wall. The cell wall is formed of this network. Lignin may be deposited in the secondary cell walls of the plant.
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these are true and false questions
1.during translation information on an RNA strand is used to assemble a protein
2.RNA exits the nucleus through osmosis
3.messenger RNA picks up amino acids in the cytoplasm and brings them to a ribosome for assembley into a protein
4. ribosomes use the information in RNA to assemble proteins
Answers
Answer:
1. True
2. False
3. False
4. True
Explanation:
1. DNA is transcribed into RNA which is then translated into protein. RNA contains the information required to produce proteins.
2. No, RNA exits the nucleus through a nuclear pore complex with the help of export receptors.
3. Amino acids are bound to tRNA not mRNA.
4. The RNA contains the information required to create proteins. Ribosomes mediate and catalyze the reaction to produce an amino acid chain using the information in mRNA.
after ovulation levels of prgesterone rise sharply what is the primary function of progesterone at this point in the menstrual cycle
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The most crucial function of progesterone is preparing your uterus to receive, implant, and sustain a fertilized egg during pregnancy.
Progesterone's primary role during the menstrual cycle is what?Progesterone gets the endometrium ready for the possibility of getting pregnant following ovulation .The lining becomes thicker as a result, getting ready for a fertilized egg. Additionally, it stops the uterine muscles from contracting in a way that would make the body reject an egg.
What three jobs does progesterone perform?A key player in maintaining pregnancy, getting the body ready for conception, and controlling the monthly menstrual cycle, progesterone is a hormone that activates and controls vital processes.
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Duchenne muscular dystrophy remains in the population because the allele is , and carrier mothers pass it to carrier daughters.
Answers
Answer: X-linked Recessive
Explanation:
Duchenne muscular dystrophy is a disease caused by a genetic mutation of the X-chromosome and is recessive.
Duchenne muscular dystrophy is a disease caused by a genetic mutation of the X-chromosome and is recessive.
What are the séx-linked genes?These are genes that can be found only in the X-chromosome. The inheritance pattern expressed by these genes varies from the one expressed by genes located in autosomal chromosomes.
In the exposed example,
- muscular dystrophy are X-linked recessive disorders
- woman ⇒ carrier for muscular dystrophy ⇒ heter0zyg0us ⇒ XDXd
- man ⇒ doesn’t have muscular dystrophy ⇒ X-chromosome with the dominant allele ⇒ XDY
- XD ⇒ chromosome rarrying the dominant allele
- Xd ⇒ chromosomes carrying the recessive allele
Cross: Man x Woman
Parentals) XDY x XDXd
Gametes) XD Y XD Xd
Punnett square) XD Xd
XD XDXd XDXd
Y XdY XdY
F1) 1/2 = 50% of the progeny will express the normal phenotype, XD-
1/2 = 50% of the progeny will have muscular dystrophy, Xd-
100% of the girls will be normal and carriers, XDXd
100% of the boys have muscular dystrophy, XdY
Considering only boys,
100% of them will have the disease, XdY
0% will be carriers.
Considering only girls,
0% of them will have the disease,
100% will be carriers, XDXd
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the large influx of mononuclear cells into the lungs plays a role in the formation of infection sites called
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The development of structured structures known as tubercles is tuberculosis.
Which four forms of infections are there?Infections frequently occur. We've probably all experienced at atleast one at some point, from COVID-19 to ear infections and also the flu. Sepsis can be brought on by bacterial, fungal, viral, or parasitic illnesses.
What brings about an infection?Whenever bacteria taken into the body, multiply, & trigger a response in the body, an illness results. An infect needs to happen in three different ways: Source: Ecologies of infectious (germ) pathogens A individual who's really susceptible but who has a point of entry for germs.
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The function of hemoglobin is to carry ________ from the lungs throughout the body.
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The function of hemoglobin is to carry oxygen from the lungs throughout the body.
Hemoglobin can be described as a structure, that is iron-rich and present inside the red blood cells.
The hemoglobin inside the red blood cells is the site where oxygen molecules form temporary binds so that the oxygen can be transported to the different body parts through the blood. When a bond between oxygen and hemoglobin is formed in order for transporting oxygen, then this hemoglobin is referred to as oxyhemoglobin.
Without hemoglobin, the red blood cells will be unable to transport oxygen to various tissues inside the body of an individual.
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in july 2015, a report[1] was released indicating the gram-negative bacterium pseudomonas aeruginosa was found on hospital sinks 10 years after the initial outbreak in a neonatal intensive care unit. p. aeruginosa usually causes localized ear and eye infections but can cause pneumonia or septicemia in vulnerable individuals like newborn babies. explain how the current discovery of the presence of this reported p. aeruginosa could lead to a recurrence of nosocomial disease.
Answers
The current discovery of the presence of this reported p. aeruginosa could lead to a recurrence of nosocomial disease as Nosocomial infections, also known as hospital-acquired infections, are the infections that are contracted within a hospital environment.
Transmission of these infections usually occurs via healthcare workers, patients, hospital equipment, or intravenous injections.
Pseudomonas aeruginosa may be a commonly typified, gram-negative, aerobic–facultatively anaerobic, rod-shaped bacterium that can cause illness in plants and creatures, counting people.
A species of considerable therapeutic significance, P. aeruginosa could be a multidrug-safe pathogen recognized for its ubiquity.
Its inherently progressed anti-microbial resistance components, and its affiliation with genuine sicknesses – hospital-acquired diseases such as ventilator-associated pneumonia and different sepsis disorders.
A hospital-acquired contamination, too known as nosocomial contamination (from the Greek nosokomeion, meaning "clinic"), is a disease that's obtained in a health care office.
In both healing centers and nonhospital settings, it is now and then instep called a healthcare-associated disease.
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ardi s intermediate form of bipedality included the use of: a. longer hind limbs for clinging and leaping. b. palms and feet to move along tree branches. c. a tail. d. none of the above.
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In ardi's intermediate type of bipedality, moving over tree branches with the palms and feet is incorporated.
The capacity to stand erect and move on two legs is known as bipedalism. Only humans employ this position as their main form of propulsion, however many other primates can stand up and move around for brief periods of time.
Bipedality may have started as early as 6 million years ago, according to fossil evidence. Our ancestors, however, made their first steps as devoted bipeds with Australopithecus, an early hominid that emerged in Southern and Eastern Africa between 4 and 2 million years ago. However, little is still known by scientists regarding the conditions that gave rise to this feature.
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a man is a carrier for sickle cell anemia. he mates with a woman who is also a carrier for sickle cell anemia. what is the probability that the couple will have a child who is homozygous for the sickle cell anemia allele and thereby affected by the disease?
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When a man who is a carrier for sickle cell anemia mates with a woman who is also a carrier for sickle cell anemia then the probability that the couple will have a child who is homozygous for the sickle cell anemia allele and thereby affected by the disease is 25%.
What is sickle cell anemia?Sickle cells that block the flow of blood to organs deprive the affected organs of both blood and oxygen. In sickle cell anemia, blood is chronically low in oxygen and this lack of oxygen-rich blood damage nerves and organs including kidneys, liver and spleen, and can be fatal.
There is a 25% chance that a child, regardless of sex, will have the disease if man and woman both are carriers of disease. Since, sickle cell anemia is an autosomal recessive trait, therefore female and male offspring are affected equally.
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1. The enzyme invertase breaks down sucrose into its two component monosaccharides. (a) The effect of pH on the initial rate of the reaction catalyzed by invertase was investigated at 25°C. (i) Suggest why the temperature was kept at 25°C. (2)
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How do you think glucose could be used to synthesize these molecules?
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Answer:
Since you did not provide the specific molecules, here are some ways that glucose is used for synthesis:
Protein molecules - Glucose regulates protein synthesis through AMPK (Activated Protein Kinase) pathways. AMPK is activated by cellular energy via changes in AMP levels resulting from energy.
Gluconeogenesis Pathway - The process where glucose is synthesized using pyruvate and lactate precursors from non-carbohydrate metabolites, amino acids, and glycerol (derived mainly from metabolized fat).
Fatty Acids - Metabolized into pyruvate using glycolysis in the cytoplasm, oxidized pyruvate generates ATP in the mitochondria. During the fed state the glycolytic products synthesize fatty acids through lipogenesis.
Amino Acids & Lipids - Through photosynthesis in plants, glucose joins with nitrates in the soil to create amino acids. The amino acids combine during protein synthesis and glucose is converted to lipids within the plant seeds.
Explanation:
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5. what is one challenge that a species may face when they are reintroduced to their previous native range? and what is a challenge they may face when released outside of the native range? (1 pts)
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Challenge that a species face when they are reintroduced to their previous native range is: single event catastrophes. Challenge they face when released outside of the native range is: preying on native species.
What is the challenge faced when species are reintroduced?Although, species are bred successfully in captivity and even if they learn to survive in the wild on its own then also there is the concern that a single event such as a hurricane, drought or disease could decimate the reintroduced population.
The goal of species reintroduction is to establish a healthy and genetically diverse population to an area where it has been extirpated.
The direct threats of invasive species is preying on native species , outcompeting native species for food, causing disease and preventing native species from reproducing or killing a native species' young.
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what is the theory for the evolution of anxiety disorders? a. as a result of an evolutionary cost/benefit analysis of anxiety b. anxiety developed as a reaction to stress c. random mutation caused the evolution of anxiety d. none of the above
Answers
As a result of an evolutionary cost/benefit analysis of anxiety
Disabilities include anxiety illnesses including OCD, panic disorders, phobias, or PTSD. As a result, they are able to receive Social Security disability benefits. People must demonstrate that their condition is so crippling that it keeps them from working.
What about anxiety disorders?Nearly 30% of adults experience an anxiety disorder at some point in their lives, making it the most prevalent of all mental disorders. However, there are a variety of efficient therapies for anxiety disorders. Most persons who receive treatment can live regular, fulfilling lives. The most typical form of anxiety disorder is GAD. The primary symptom of GAD is overly worrying about various things to do and occasions. If you have GAD, you could experience frequent feelings of anxiety. When someone is having a panic attack, they experience a variety of physical symptoms as well as strong, overpowering, and frequently uncontrollable feelings of anxiety. Shortness of breath, chest pain, dizziness, and heavy sweating are all signs of a panic attack. When the body's normal reactions to stress are too strong and interfere with your capacity to function and complete everyday chores, you experience severe anxiety. Even though most people experience some anxiety, especially when confronting a challenge or new experience, extreme anxiety can be debilitating. Hyperchondria is a very uncommon form of illness anxiety problem. About 0.1% of Americans are impacted. In early adulthood, it usually manifests. All ages and genders are susceptible to illness anxiety disorder.Learn more about anxiety disorders here:
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an athlete is nearing the end of a race and her cells are low on oxygen. what is most likely to occur in her cells so that glycolysis can continue to produce atp? responses fermentation fermentation cell-to-cell communication cell-to-cell communication dna synthesis uppercase d n a, synthesis protein synthesis protein synthesis
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An athlete is nearing the end of a race and her cells are low on oxygen. Fermentation is most likely to occur in her cells
What is glycolysis?
It is referred to as the “sweet splitting process” since it indicates the conversion of sugars that are sweet to the tongue. Six carbon sugars are transformed into a three carbon sugars. It is at this time of conversion that energy is released. Glycolysis can occur in absence or presence of oxygenBoth fermentation and glycolysis produce ATP, and both are involved in the production of energy and supplying it to cellsWhat is Fermentation?
It is an anaerobic pathway- a common pathway in the majority of prokaryotes and unicellular eukaryotes. In this process glucose is partially oxidised to form acids and alcohol.In organisms like yeast, pyruvic acid formed by partial oxidation of glucose is converted to ethanol and carbon dioxide (CO2). ). This anaerobic condition is called ethanol fermentationIn certain bacteria and animal muscle cells, under anaerobic conditions, pyruvic acid is reduced to lactic acid by lactate dehydrogenase. This is called lactic acid fermentation.Learn more about fermentation at - Brainly.com https://brainly.com/question/11554005
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you have an enzyme solution and you add an inhibitor molecule and observe a marked decrease in enzyme activity. you increase the substrate concentration but this does not lead to any observable increase in enzyme activity. what can you conclude about your inhibitor?
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Non-competitive inhibitor, does not cause an increase in enzyme activity when the concentration of the substrate is increased.
Noncompetitive inhibition is a special sort of allosteric regulation that occurs when an inhibitor binds to an allosteric site, reducing the enzyme's effectiveness.
Simply put, an allosteric site is one that differs from the substrate-binding active site. Comparable to competitive, uncompetitive, and mixed-type inhibition, noncompetitive inhibition is distinct from the others.
The inhibitor shares the same affinity for both the enzyme and the enzyme-substrate complex in noncompetitive inhibition because it binds at the allosteric site independently of substrate binding.
Noncompetitive inhibition is distinguished from uncompetitive inhibition by this activity, in which an inhibitor only binds to the enzyme-substrate complex.
The reaction rate won't change even if the substrate concentration is increased, and enzyme activity will still be suppressed.
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what information could be obtained from wolf scat? a. dna profiles b. vegetation preference c. presence of arthritis d. amount of urea e. time since last meal
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DNA profiles could be obtained from wolf scat. DNA profile can inform a scientist about the origins of the sample's DNA, including whether it came from a man, woman, or any other type of organism.
DNA profiling is the process of obtaining a particular DNA pattern, or profile, from an individual or a sample of body tissue.
Human DNA profiles can be used to establish parentage or determine the source of a DNA sample from a crime scene.
The following purposes of DNA profiling include identifying the likely source of a bodily fluid sample connected to a crime or crime scene and revealing family links.
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1.which of the following organisms can perform photosynthesis? a.algae b.fungi c.animals d.invertebrates
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Algae organisms can perform photosynthesis.
Both eukaryotic and prokaryotic species possess the capacity for photosynthetic activity. The most famous examples are plants because, with the exception of a very small number of parasitic or mycoheterotrophic species, they all have chlorophyll and can make their own sustenance. The other major class of eukaryotic photosynthetic organisms is the algae.
What about algae?A class of primarily watery, photosynthetic, and nucleus-bearing organisms collectively referred to as "algae" lack the true roots, stems, and leaves of plants as well as their specialized multicellular reproductive structures.Photosynthetic organisms include algae. They are not an animal, a plant, or a fungus. Many types of algae are single-celled, while some are multicellular. Red and brown algae are generally multicellular, but not always. Algae and cyanobacteria are neither good nor bad on their own. Because they provide the oxygen required to support life, these organisms are crucial to the health of the planet. However, cyanobacteria and algae can be harmful to humans, animals, and the environment if they produce toxins or proliferate in large quantities. Algae could be a crucial supply of B12 if people move to more plant-based diets. Algae-based food supplements are currently available on the market. Chlorella, a complete algae product, is added to some drinks, although it is mostly offered as a nutritional supplement in powder form. Since then, algae have been reclassified as protists, and because blue-green algae are prokaryotic, they are now grouped with bacteria in the prokaryotic kingdom Monera.Learn more about algae here:
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What do genes regulate?
A. only the senses
B. all processes of the body
C. when a hormone is released
D. only physical traits
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Answer:d
Explanation:they make your physical traits
6. Why do you think that changing the temperature changes the rate of
photosynthesis?
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The quantity of enzyme-substrate collisions limits the pace of photosynthesis at low temperatures. The rate of photosynthesis rises as a function of temperature because there are more collisions as a result.
Why does the rate of photosynthesis first rise with temperature and then fall?Photosynthesis is a specialized enzyme-based process. The enzymes involved in this process operate best at a certain temperature.
Enzymes denature if the temperature rises over the maximum optimal temperature, which slows the rate of photosynthesis.
The rate of photosynthesis grows as the temperature rises, much as other chemical processes.
Enzymes, which regulate photosynthesis, get denatured at high temperatures. The rate of photosynthesis therefore reaches its peak.
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a lake filled with a large population of fish all of the same species is discovered. which factor would not influence the evolution of a species in this lake?
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Speciation involves the genetic changes that accumulate between populations of the same species that leads to the formation of a new species, whereas evolution is the change in allele frequencies of the same species.
What is Evolution ?Evolution is the gradual change in the inherited traits of biological populations over many generations. These traits are the expressions of genes that are passed down through reproduction from parent to offspring.
Long-term perspectives are used in evolutionary theories to examine the emergence of the human species. This view holds that modern people contain genetically influenced traits that have been passed down from generation to generation and have helped them succeed in reproduction.
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n lichen, the fungus symbiont serves as: (select all that apply) question 3 options: a reservoir for water a reservoir for minerals a host for the lichen to grow upon protection from intense sunlight
Answers
In lichens, the fungus symbiont serves as a host for the lichens to grow upon protection from intense sunlight
What are lichens?
A lichen's basic structure is made up of layers of fungus and algae.Lichens do not have vascular tissue like xylem and phloem to carry nutrients and water throughout their thalli like a plant does, nor do they have a waxy coating like plants do on their leaves. The structure of the lichen incorporates everything in its surroundings. Lichens obtain their water and nutrients from the air and rain that fall on them.What is the symbiotic association between algae and fungi?
Symbiotic association means two or more distinct organisms living together for the benefit of one or both.
Fungi lack chlorophyll, which is a green pigment necessary for photosynthesis. Fungi are unable to produce carbohydrates on their own and obtain light energy from the sun. Instead, they must look for other food sources. They take in organic foods, or chemicals containing carbon like proteins, lipids, or carbs.Algae and cyanobacteria, on the other hand, can carry out photosynthesis similarly to plants. In actuality, terrestrial plants' chloroplasts, where photosynthesis takes place, are modified cyanobacterial species.Therefore, fungus symbiont serves as a host for lichen to grow upon protection from intense sunlight.
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which class of antibiotics acts to inhibit the synthesis of rna and dna, thus stalling bacterial replication
Answers
Fluoroquinolones are the class of antibiotics which inhibits RNA and DNA synthesis, which halts bacterial replication.
What are Fluoroquinolones antibiotics?
As we know, antibiotics are medicines that destroy or stop the growth of pathogenic microorganisms. Fluoroquinolones are such antibiotics, or bacterial agents, that are used to treat respiratory tract infections like pneumonia, sinusitis, bronchitis, and even urinary tract infections. These groups of antibiotics are effective against gram +ve and gram –ve bacteria as well.
Fluoroquinolones are FDA approved. They include levoflaxin, ciproflaxin, mixifloxacin, delafloxacin, etc.
Hence, Fluoroquinolones are antibiotics that have the ability to inhibit RNA and DNA growth.
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if a rna virus with radioactive sulfur was allowed to infect non-radioactive bacteria and replicate. then the cells were centrifuged to separate the virus from bacteria. which fraction will contain the highest radioactivity?
Answers
If a RNA virus with radioactive sulfur was allowed to infect non-radioactive bacteria and replicate then in the centrifugation process, the highest radioactivity would be found in the protein coat of the virus which is present in the supernatant.
RNA is the abbreviation for Ribonucleic acid. It is the unstable type of nucleic acid generally present in some viruses and bacteria. There are three main forms of RNA: m-RNA, r-RNA and t-RNA.
Radioactivity is the presence of some radioactive element in any biological molecule that emits radiation spontaneously. Since DNA does not contain any sulfur, therefore the virus can contain radioactivity only in the protein coat. Sulfur is an essential part of cell membranes.
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How are the transport problems of a freshwater organism different from those of a saltwater organism?
Answers
Answer: The opposite
Explanation:
Salt water: water tends to be removed from cells due to osmosis
Fresh water: the opposite! Species that are adapted to those environments have to use active transport to adjust their water levels to the natural tendencies of osmosis in certain situations.
true or false: in multicellular organisms, genes are regulated in the same way to ensure that gene expression levels are constant regardless of cell type or developmental stage.
Answers
False, in multicellular organisms, genes are not regulated in the same way to ensure that gene expression levels are constant regardless of cell type or developmental stage.
Gene regulation is the method of controlling which genes in a cells DNA are expressed (used to make a purposeful product which include a protein).
Different cells in a multicellular organism may also explicit very specific units of genes, despite the fact that they include the identical DNA.
The set of genes expressed in a cell determines the set of proteins and purposeful RNAs it contains, giving it its specific properties.
In eukaryotes like humans, gene expression entails many steps, and gene law can arise at any of those steps. However, many genes are regulated commonly at the extent of transcription.
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the great oxygenation event was caused by a change in oxygen composition in the atmosphere, where the amount of oxygen:
Answers
Whenever bacteria that are present in the ocean began to generate through photosynthesis, this is known as the Great Oxygen consumption Revolution.
How would you define composition?Noun. the process of assembling or creating anything by mixing components or materials. the elements or constituent pieces of anything; constitution. something created in this way or the consequent state or characteristic; a mix. a work of writing, art, and performance.
What is a composition example?Heart and lungs make up the "Human" class. Nobody's parts survive that after death of a human object. A constrained form of aggregation is the composition. It is difficult for one object to operate absent the other in synthesis since it needs on it and incorporates a class.
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If your power could have been harnessed and the energy converted to electricity, how many 100-w bulbs could you have kept burning during your climb?
Answers
When the power is harnessed and the energy converted to electricity, the person could have climbed using only one 100-W light bulb.
What is power?Power is defined in physics as the amount of energy transferred or converted per unit time. The watt is the unit of power in the International System of Units, equal to one joule per second.
It can be defined as the rate at which work is completed in a given amount of time. Watt (W) is the SI unit of power, which is joules per second (J/s).
And, because our estimate is very rough, we can say that the person's power output is comparable to the power output of a 100 W light bulb. Let's say that the mass is 80kgbabs it takes 30 seconds to climb 5 meters of stair, the energy will be:
= mgh
= 80 × 9.81 × 5
= 3924J
Power will be:
= 3924 / 30
= 130W
Based on the results obtained, we can conclude that the person's power output is comparable to the power output of one 100-W light bulb, and that the person could have continued to burn only one 100-W light bulb during the climb.
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Complete question
How does your power output in climbing the stairs compare to the power output of a 100-watt light bulb? if your power could have been harnessed and the energy converted to electricity, how many 100-watt bulbs could you have kept burning during your climb?
