Q: What is the microtubule-organizing center found near the nuclei of animal cells? Choices: - lysosome - spliceosome - entrosome - centrosome A:
centrosome

(Question)
Q: All the atoms of a given element have the same number of what in their nucleus, though they may have different numbers of neutrons? Choices: - molecules - electrons - compounds - protons A:
(Answer)
protons

Ques: Q: What travels at a rate of 300,000 kilometers per second, or nearly instantaneously? Choices: - air - sound - gravity - light A:
Ans: light

(Q).
Q: Metamorphic rocks form when an existing rock is changed by heat or what? Choices: - radiation - chemical reaction - cold - pressure A:
(A).
pressure

Ques:Q: What is a disease characterized by high concentrations of glucose in the blood? Choices: - myeloma - hepatitis - leukemia - diabetes A:

Ans:diabetes

Q: What kind of messages do neurons send? Choices: - minor messages - Neurotic messages - digestive messages - electrical messages A:
electrical messages