The study of differences in an organism caused by changes in gene expression rather than changes in the genome itself is called ____.
A. epigenetics
B. heredity
C. genetics
D. chemical tagging
E. transcription
Answer: A
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What is –18 added to –1?
A) –18 B) 17 C) –19 D) –17 E) –20
Which of the following suffixes means process of measuring?
A) -graphy B) -scopy C) -metry D) -otomy
Cece has been taking antacids for acid indigestion nearly every day for years. She reasons that they would not be sold over-the-counter, right next to toothpaste and eyeliner, if they were not safe. Is Cece's use of antacids safe?
A) Probably not. Antacids may interact with some medications, but if Cece is not taking those, she is safe. B) Yes. Antacids are very safe and Cece has nothing to worry about. C) Possibly. The use of antacids for more than two weeks may mask signs of gastrointestinal bleeding or cancer. D) No. Chronic use of antacids typically produces a paradoxical reaction that causes increases in stomach cancers.
The two small organs that sit atop your kidneys and produce stress hormones are called the ________ glands
A) pituitary B) adrenal C) parathyroid D) pineal