Which of the following is likely to be found in a cell from a maple leaf but not in a human nerve cell? *

A. cell wall
B. cytoplasm
C. mitochondria
D. cell membrane

Growth of chest hair, deepening of the voice, and muscle growth are secondary sex characteristics. which most likely affects the development of these traits? testes ovaries prostate gland vulva

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.