Q: The rate of a reaction can be expressed either in terms of the decrease in the amount of what or the increase in the amount of a product per unit time? Choices: - plasma - sulfate - isotope - reactant A:
reactant

Q: Sebaceous glands produce an oily substance called what? Choices: - ear wax - pus - synovial fluid - sebum A:
sebum

Q: Q: What signals the secretion of gastric acid? Choices: - hormone - pepsin - leptin - gastrin A:
A: gastrin

Question: Q: Name the process that produces many copies of a certain gene. Choices: - gene diversion - gene multiplication - gene addition - gene cloning A:
Answer: gene cloning

*Question*
Q: Many diseases arise from genetic mutations that prevent the synthesis of critical what? Choices: - oils - acids - lipids - proteins A:
**Answer**
proteins

(Q).
Q: What is it called when body's internal environment is stable? Choices: - synchronicity - hypothesis - ketosis - homeostasis A:
(A).
homeostasis