(Q).
Q: Each hemisphere of the brain contains regions called what that are involved in different functions? Choices: - nodes - folds - chambers - lobes A:
(A).
lobes

(Q).
Q: Which protein, that stores oxygen in muscle cells, has been purified from a number of organisms? Choices: - melanin - potassium - iodine - myoglobin A:
(A).
myoglobin

(Q).
Q: What is at the center of our solar system? Choices: - the moon - earth - the Kuiper Belt - the sun A:
(A).
the sun