In both plants and animals, the vascular system
transports
a. water.
b. nutrients.
c. chemical signaling molecules.
d. defensive molecules.
e. all of these.
Answer: e
You might also like to view...
Slow-growing NTM whose colonies produce no pigment, whether they are grown in the dark or the light, are referred to as:
a. scotochromogens. b. photochromogens. c. nonphotochromogens. d. chromogenicums.
Pressure increases one atmosphere every ________ meters in the ocean
a. 100 b. 10 c. 30 d. 3
If an experimenter interferes with the mesoderm in an embryo, which of the following systems would
NOT be affected by the experimenter? a. circulatory system b. muscular system c. reproductive system d. integumentary system e. excretory system
Which of the following statements concerning the cell cycle is FALSE?
a. The activity of Cdks increases and decreases during the cell cycle. b. Cyclins fluctuate during the cell cycle. c. Cdks are active only when they bind to cyclins. d. The anaphase-promoting complex stimulates the separation of sister chromatids e. M-Cdk inhibits mitosis