Biology

which statement best describes why genetic variation is beneficial to populations of organisms A. Individuals look different from one another. B . Only one parent is needed to produce offspring. C. Populations of the organism increases more rapidly. D. Species can better survive environmental changes.
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Marie Curie was a famous French-Polish scientist known for her pioneering research on radioactivity. Her work not only brought her fame but her death as well; she developed aplastic anemia due to radiation exposure. She experienced recurrent and prolonged infections (viral, bacterial, parasitic, and fungal). Explain why she suffered from recurrent infections. Be sure to mention the different types of WBC and the relation to the various infections, and the reasons why she lacked the cell-mediated and the humeral response.
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A line graph has a vertical axis labeled "Average plant height (cm)" and ahorizontal axis labeled "Fertilizer (g/plant)." What information is conveyed bya point plotted with the coordinates (1, 25)? Keep in mind coordinates arewritten as (x-coordinate, y-coordinate).6040Average plant height (cm)3010Fertilizer (g/plant)A. The average height of plants given 1 g of fertilizer was 25 cm.B. The range of fertilizer was from 1 g per plant to 25 g per plant.1C. The average height of plants given 25 g of fertilizer was 1 cm.D. The range of average plant height was from 1 cm to 25 cm.
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Which of the following is not a function of a vacuole ?a) to absorb waterb) to store ions c) to store waste products D) to make protien
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On a cellular level, why do we need to breathe? aOur cells need oxygen bOur cells need glucose cOur lungs are empty dOur cells need carbon dioxide
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A DNA molecule is shaped like a _____.A. Straight LadderB. Triple HelixC. Long thin rodD. Spiral Staircase
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11 Apply If you have a cold that causes congestion in your sinuses, howmight that affect your sense of smell? Support your claim with evidence.
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what does it mean for a bacteria or protist to be photosynthetic?
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Which term means, "changes overtime"?A. ecological disturbanceB. ecological successionC. biodiversity
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Which structure allowsgases and nutrients inand out of the cell?A. mitochondriaB. cytoplasmC. nucleusD. cell membrane
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What type of relationship exist between the common teasel and all of the other plants?
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the part of the eye that determines eye color is the
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Describe the rock layers shown in Diagram A and any forces acting on the rock.
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For each of the following statements, determine if it is true or false and describe how you know.A. All living organisms share the same sequence of nitrogen bases.B. All living organisms share common organelles.C. All living organisms share the process for reproducing.D. All living organisms share a universal genetic code.
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. What is the first step of thermonuclear fusion within the Sun to form helium-4?The fission of hydrogen to form protons and neutrons.Two lithium atoms, each with three protons and three neutrons, undergo fission to form hydrogen atoms withTwo hydrogen nuclei, each with only one proton, fuse to form deuterium, a form of hydrogen with one protorO Electrons and protons fuse to form the nucleus of a helium atom.
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you can find a nucleus in the cells of human,protists, bacteria and viruses
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4. Is the sugar in the nucleotide to the right deoxyribose or ribose? How do you know?
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elect the correct statement regarding the lungs. Select one: a. The left lung is larger than the right lung. b. Only the right lung has a hilum. c. The left lung contains three lobes while the right lung contains two lobes. d. The left lung has more bronchopulmonary segments than the right lung. e. The left lung contains two lobes while the right lung contains three lobes.
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HELP ME ASAP A stray dog is brought into Destiny's clinic. The poor thing is eaten up with fleas, and she can see that it has terrible sores on its stomach. After giving the dog topical medication to kill the fleas, she also prescribes antibiotics to kill the bacteria in the sores. Which sentence BEST explains how these bacteriI were able to infect the poor dog? A. The bacteria were epiparasites that were living inside the fleas and then transferred to the dog when the fleas bit him. B. The bacteria were left behind when the fleas hatched from their eggs and embedded into the dog's skin. C. The fleas' bites caused itching, leading the dog to scratch the skin and break the surface, providing a home for bacteria.D. The antibiotics are being given to kill the bacteria, which is the larval stage of the fleas.
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Self replicating organelles made up of ninebundles of microtubules and are on found inanimal cells.
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Which statement is true about DNA?It contains the sugar riboseIt contains a base with nitrogen.Its monomers contain twice as many phosphate functional groups as RNA's monomersIt is a single-stranded macromolecule.
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In terms of structure and function how do the vacuoles in a typical plant cell compare to those of a typical animal cell
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What are some benefits of farming for the society/environment?
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Which of the following statements is not true about heterotrophs?Group of answer choicesHeterotrophs are classified as consumers.Heterotrophs are at the base of most food webs.Heterotrophs cannot make their own food.Heterotrophs can consume autotrophs.
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