Peter is a middle-aged, overweight man who is trying to decrease his body circumference. How could the serving size on a nutrition label help him lose weight .
It describes how many daily total calories he should eat. He can compare this number to the number of calories he currently consumes.
B.
It allows him to predict how much weight he will lose if he follows the serving size guidelines on the nutrition label.
C.
It describes the portion size of the food that he should eat. This amount can be used as a guideline for preparing food.
D.
It defines how much food he can eat when dining at restaurants and still be able to lose weight.

Viruses use the host's machinery to make copies of themselves. however, some human viruses require a type of replication that humans do not normally have. for example, humans normally do not have the ability to convert rna into dna. how can these types of viruses infect humans, when human cells cannot perform a particular role that the virus requires? a) the virus causes mutations in the human cells, resulting in the formation of new enzymes that are capable of performing these roles.b) the viral genome codes for specialized enzymes not in the host.c) the virus infects only those cells and species that can perform all the replication roles necessary.d) viruses can stay in a quiescent state until the host cell evolves this ability.

When a person on a skateboard decides to perform a short, hard ollie, that would be considered muscular endurance. true false

The best time to go swimming is: a. directly after eating b. when you are feeling rested and energetic c. when you are feeling tired and sluggish d. a half hour after eating