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Biological Science Study Set 3

Biology

Quiz 1 :

Biology and the Tree of Life

Quiz 1 :

Biology and the Tree of Life

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Which of the following best reflects a phylogenetic conclusion regarding chimpanzees and baboons?
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Multiple Choice
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Answer:

D

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How does a scientific theory differ from a scientific hypothesis?
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Multiple Choice
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Answer:

D

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The "heat" in chili peppers is due to a molecule called capsaicin. Suppose you breed only the hottest chili peppers over many generations-predict the characteristics of the resulting individuals.
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Answer:

D

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Starting from the wild mustard Brassica oleracea, breeders have created the strains known as Brussel sprouts, broccoli, kale, and cabbage. Which of the following statements is supported by this observation?
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Which taxon would generally include the largest number of species?
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Which of the following is the best example of a heritable variation?
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Recall Pasteur's experiment on spontaneous generation. Originally, he used sealed and unsealed flasks instead of swan- necked and unsealed flasks. Critics claimed that the experiment was inconclusive. Which of the following criticisms would be addressed by using a swan- necked flask instead of the sealed flask?
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Which of the following observations demonstrates the fundamental characteristic of life known as energy?
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Which of the following would not be a good reason for studying SSU RNA to understand the major branches in the evolutionary history of life?
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Which of the following describes the flow of genetic information in cells according to the central dogma?
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The "heat" in chili peppers is due to a molecule called capsaicin. Suppose you breed chili peppers that have low amounts of capsaicin over many generations in order to make them milder have less capsaicin). What process is occurring?
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The structure of double helical DNA
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Over the past several decades, natural selection has caused populations of Staphylococcus aureus an infectious wound bacterium) to evolve resistance to most antibiotics. If antibiotic use were stopped, what would you predict would happen to these S. aureus populations?
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One aspect of Darwin's theory of natural selection is that adaptations not useful to fitness are lost faster if they have a greater cost. With this in mind, which of the following explanation is most likely true?
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How does artificial selection differ from natural selection?
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Environments all over the world are changing as a result of global warming. Could this influence natural selection?
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Which statement about spontaneous generation is FALSE?
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Algae in the genus Caulerpa typically grow to a length of over half a meter and have structures similar to stems, leaves, and roots. Reproduction occurs when adults produce sperm and eggs that fuse to form offspring. Each adult Caulerpa, however, consists of just a single cell. Which of the following statements is true?
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Many phylogenetic trees are based on DNA sequence similarities. What is the practical result of this similarity?
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Why did the five- kingdom system of classification fall out of favor?
Multiple Choice
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