The bulk of the mass of a plant is made from ________.

A. sugars made in photosynthesis, which were made from carbon dioxide
B. sugars from the soil obtained by the roots of a plant
C. minerals from the soil obtained by the roots of a plant
D. oxygen absorbed by the pores in leaves


Answer: A

Biology & Microbiology

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Which of the following research questions would a population geneticist be likely to ask?

A. How much genetic variability is found in sperm whales? B. How can we explain the amount of genetic diversity in Adelie penguins? C. Why do some species have more genetic diversity than others? D. All of the above are questions a population geneticist may ask.

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Indels:

A. are mutations that arise due to large duplications of DNA. B. are caused by aberrant recombination or by template slippage during replication. C. are mutations in which one base pair is exchanged for another. D. are mutations that inactivate oncogenes, which cause cells to lose control of cell growth. E. are the result of replication errors.

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What’s the difference between atoms that make up elements?

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Certain body sites contain sequestered molecules, called ________ that escaped assessment during development of immune tolerance and are mistaken as foreign.

Fill in the blank(s) with the appropriate word(s).

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