Q: Which organ secretes estrogen? Choices: - the testes - the thyroid - the kidney - the ovaries A:
the ovaries

(Question)
Q: The electrons in a water molecule are more concentrated around the more highly charged oxygen nucleus than around this? Choices: - helium nuclei - carbon nuclei - peroxide nuclei - hydrogen nuclei A:
(Answer)
hydrogen nuclei

Ques: Q: What globular protein is used in the construction of the hollow tube? Choices: - actin - cyclin - keratin - tubulin A:
Ans: tubulin

(Q).
Q: Carbon atoms are bonded to as many hydrogen atoms as possible in what type of fatty acids? Choices: - super - unsaturated - oily - saturated A:
(A).
saturated

Ques:Q: What are organisms that depend on other living things for food? Choices: - customers - buyers - products - consumers A:

Ans:consumers

Ques:Q: What has has revolutionized biological and biomedical research and applications? Choices: - synthesis chain reaction - organism chain reaction - Compound chain reaction - polymerase chain reaction A:

Ans:
polymerase chain reaction