Some muscle cells have the ability to produce more mitochondria if they are involved in regular exercise. which answer correctly describes a benefit of this ability?
a. cellular respiration rates would increase in the individual’s cells.
b. the individual would not need as much food as before.
c. more fat molecules would be burned by the individual.
d. the individual’s mass would increase due to the excess mitochondria.

Scientists are conducting a study on the effectiveness of a new drug on memory loss. they are giving some of the test subjects the new drug to find out if it improves their long-term memory. which are possible limitations of this study? check all that apply. a) test subjects may want to participate in additional experiments. b) test subjects may think they should be paid more. c) test subjects may get bored and want to quit early. d) test subjects may have to travel during the experiment. e) test subjects may have full-time jobs. this is multiple choice. you for the !