Which of the following is related to an increase in the chance of breast cancer?

A) breast-feeding B) early first menstruation
C) early menopause D) pregnancy


Answer: B

Biology & Microbiology

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Even if detected early, PKU cannot be treated to prevent the development of intellectual disability

a. True b. False

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In what process does the aerobic electron transport chain participate?

a) Glycolysis b) Oxidative phosphorylation c) Photophosphorylation d) Substrate-level phosphorylation

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What type of transport uses two transport proteins?

a. Uniport b. Antiport c. Symport d. None of the proteins do e. All of the proteins do

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Unlike sharks and rays, ray-finned fishes have

A) an operculum. B) a lateral line system. C) a flexible skeleton made of cartilage. D) hinged jaws.

Biology & Microbiology