Which of the following statements about hormones is not true?
A. Hormones are secreted by axons.
B. Hormones are targeted to specific organs within the body.
C. Hormones are carried by the bloodstream.
D. It takes time to deliver hormones to the cells.
E. The effects of hormones are long lasting.
Answer: A
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In the Calvin cycle, NADPH is __________
A. oxidized B. reduced C. phosphorylated D. oxidized and reduced E. None of the answer options is correct.
In the reaction: pyruvate + CoA + NAD+ ? acetyl CoA + CO2 + NADH.
A. Pyruvate is reduced and CoA is oxidized. B. Pyruvate is oxidized and NAD+ is reduced. C. Pyruvate is reduced and NAD+ is oxidized. D. Pyruvate is oxidized and CoA is reduced.
Which blood vessel will carry blood away from the kidneys?
a. Hepatic vein b. Renal artery c. Brachial artery d. Renal vein e. Inferior vena cava
Which of the following is NOT true of
placozoans?
a. They have a flattened body. b. They have ciliated cells and gland cells. c. They eat bacteria and single-celled algae. d. They have four types of cells. e. None of these are true of placozoans