Which of the following best describes the relationship between the shape of enzymes and the reactions they catalyze

In this case, the statement that people who exercise for an hour may have lower cholesterol levels is .

What is the name of the two satelites on mars

What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.