Ultimate Biology Study Guide - Questions & Answers

the functions of the somatic nervous system include . multiple select question. sensing the internal environment controlling cardiac muscle controlling skeletal muscles controlling smooth muscles sensing the external environment
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a pond was stocked with 100 fish of the aa genotype and 100 fish of the aa phenotype, and the fish were allowed to breed. in the next generation, 35 percent of the fish had the dominant (aa) phenotype. what does this result indicate?
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4.04 biology a ripening apple gives off ethylene, which causes nearby apples to begin ripening. those apples then give off ethylene gas, which continues the chain reaction by causing additional apples to ripen. this is an example of
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An ecosystem is an open system in terms of energy, and an open system in terms of matter
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In 3-5 sentences, explain how the environment may be a factor that helps determine adaptations. Use deer as an example.
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what components are responsible for providing the genetic code that determines how proteins are built and, therefore, how they determine traits?
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water is essential for life and is important for plant growth and function. which property of water is most responsible for its ability to move from the root of a plant to the stem?
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Why do so many eukaryotic pathogens cause highly refractory and long-term chronic infections that are difficult to treat in contrast with prokaryotic pathogens?
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multiple theories have been proposed about the origin of life on earth. which theory is most widely supported by scientists as an explanation of how life began on earth?
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An ecosystem is unlikely to be limited by the supply of _____ because it is obtained from the air.
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22. Topographical anatomy: Two views (A and B) of the intact heart in situ in the thorax of a cow are shown. Name the structure highlighted by the arrows 1 & 2, and statewhich view of the thorax images A and B are showing.
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Which of the cells features indicates that this is an animal cell?
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7. suppose a scientist discovers a gene that he believes promotes pluripotency. how could he test this possibility?
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the process during meiosis that mixes genetic material in both the fathers and mothers germ cells is called
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based on its location, if monique's tumor grows, which of the symptoms below is monique most likely to experience?
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which statemetn is true and provides evidence that a certain component of the ribosome catalyzes protein synthesis
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which hormone is absolutely necessary for ovulation to occur? group of answer choices progesterone estrogen fsh lh
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the current population of a threatened animal species is 1 million, but it is declining with a half-life of 23 years. how many animals will be left in 62 years?
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a parent cell has a total of 12 chromosomes. how many chromosomes will each of its daughter cells contain after mitosis? after meiosis?
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as you walk home from class, you notice honeybees visiting your neighbor's vegetable garden. what ecosystem service are you witnessing?
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what kind of molecular information is commonly used to study phylogeny among photosynthetic organisms that diverged from a common ancestor relatively long ago?
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how many of these mutations are conservative, in the sense that an arg codon is changed to a functionally similar lys codon? express your answer as an integer.
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loss of forest in tropical areas has resulted in group of answer choices greater diversity in plant habitats, resulting in the rise of new animal species. decrease in diversity of both plant and animal species. long-term economic gain at the expense of short-term loss of natural habitat. long-term increase in habitat stability that will ultimately benefit humans.
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which of the following will increase the rate of transcription? histone acetylation leading to chromatin decompaction d. histone methylation leading to chromatin compaction removal of rna polymerase
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