Q: What "apparatus" is responsible for sorting, modifying, and shipping off the products that come from the rough endoplasmic reticulum? Choices: - plasma apparatus - receptor apparatus - secretion apparatus - golgi apparatus A:
golgi apparatus

Q: The air bubbles resulting from cavitation expand and block water channels of the what? Choices: - heart - respiration - ectoderm - xylem A:
xylem

Q: Q: Female monotremes share what external opening with reptiles and birds? Choices: - urethra - vagina - anus - cloaca A:
A: cloaca

Question: Q: What are magnesium carbonate, aluminum hydroxide, and sodium bicarbonate commonly used as? Choices: - salts - antibiotics - antidepressants - antacids A:
Answer: antacids

*Question*
Q: The electrochemical potential across a membrane determines the tendency of an ion to do what? Choices: - attach to the membrane - move away from the membrane - destroy the membrane - cross the membrane A:
**Answer**
cross the membrane

*Question*
Q: Why do birds need a light-weight body? Choices: - for cooling - water flotation - food shortages - to stay aloft A:
**Answer**
to stay aloft