A natural plant hormone that is used to ripen fruits is:
a. methanol
b. ethylene
c. acetyl acid
d. ethanol
Ans: b. ethylene
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The living bacteria found in yogurt are known as
a. probiotics. b. prebiotics. c. postbiotics. d. zymobiotics.
Which of the following is a question that should not be asked during a job interview? a. Are you a high school graduate?
b. Have you ever been convicted of a crime? c. What languages do you speak, read, or write? d. Have you ever served in the U.S. military services?
Calcium is required for transmission of nerve impulses
a. True b. False Indicate whether the statement is true or false
Which of the following stimulates the thirst mechanism?
A) elevated blood volume and pressure B) eating sweet-tasting foods C) dryness of the mouth and throat tissues D) decreased concentration of solutes in the blood