It's good to be in positive energy balance when you're

a. beginning an exercise program.
b. recovering from the flu.
c. trying to deal with stress.
d. a fully grown adult in good health.

What is the best approach to selecting safety equipment for an activity

The breakdown of peptides into amino acids is an example of . the release of insulin after eating a large meal is an example of .

Which of the following represents a difference between viruses and viroids? a) viruses infect many types of cells, whereas viroids infect only prokaryotic cells.b) viruses have capsids composed of protein, whereas viroids have no capsids.c) viruses have genomes composed of rna, whereas viroids have genomes composed of dna.d) viruses cannot pass through plasmodesmata, whereas viroids can.