A) Enzymes are not very specific. B) Enzymes are not affected by high heat, as proteins are. C) Enzymes can be recycled and used over and over again. D) Enzymes are "used up" during chemical reactions.
Which person might have a high basal metabolic rate?
A) a 70-year-old woman who knits for most of the day B) a 30-year-old man who is a professional athlete C) a 50-year-old woman who exercises twice a week D) a 65-year-old man who walks three miles daily