The amount of air that remains in the lungs after the person exhales as much air as possible is called the ________
A) vital capacity
B) expiration
C) residual volume
D) tidal volume
C
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Explain why the proteome is NOT defined as "all the proteins encoded by an organism's genome."
What will be an ideal response?
Altering the three-dimensional structure of an enzyme might
A. change the type of substrate that binds the enzyme's active site. B. prevent the substrate from binding the enzyme's active site. C. change the type of product produced in the reaction. D. change the amount of energy needed for a reaction. E. prevent the enzyme from adding energy to a reaction.
One job of the nuclear membrane is to
A. control entry to and exit from the nucleus. B. produce enzymes. C. digest chromosomes. D. contain excess water.
In some social insects, there are individuals that do not mate or may not be fertile but help look after other members of their group. Which statement regarding this situation is true?
A) Natural selection cannot act on the genes of nonreproducers since they do not leave offspring. B) The ultimate cause of this behavior is the need to keep their group safe. C) By protecting relatives, the nonreproducers increase the probability that their genes will be passed to the next generation. D) Lack of mating is an agonistic behavior.