Some cells contain large numbers of mitochondria while others have relatively few or none. This suggests that
A) cells with large numbers of mitochondria are short-lived.
B) cells with large numbers of mitochondria have a high energy demand.
C) cells with small numbers of mitochondria have a large ATP supply.
D) cells with large numbers of mitochondria have a low energy demand.
E) some cells are older than others.
B
You might also like to view...
The cranial nerves and spinal nerves make up the __________ ________ system
Fill in the blank(s) with correct word
The secretion of vasopressin increases if the extracellular fluid becomes hypertonic
Indicate whether the statement is true or false
Smaller birds tend to lay smaller eggs with a smaller yolk supply than larger birds. This would be recognized as an example of
a. down regulation. b. a preadaptation. c. genetic fitness. d. a cost-benefit trade off. e. intrinsic control.
In which structure is the arbor vitae found?
A. Reticular formation B. Tegmentum in the midbrain C. Left cerebral hemisphere D. Cerebellum E. Diencephalon