The pancreas is an organ that regulates blood glucose levels. When glucose levels rise above normal, the pancreas
releases insulin to lower blood glucose levels. This is an example of ____.
a. evolution
b. mutation
c. immunity
d. homeostasis
e. variability
ANSWER: d
You might also like to view...
When processing a culture swab in the diagnostic laboratory the microbiologist should:
a. inoculate the media prior to making the direct smear. b. roll the swab back and forth on the slide making sure to transfer organisms. c. prepare the smear by rubbing the slide with one side of the swab and utilize the opposite slide to inoculate media. d. cancel the direct Gram stain and only set up the media. Request a second swab for the direct smear.
In a monohybrid cross AA × aa, what proportion of homozygotes is expected among the F2 offspring?
A) 1/4 B) 1/2 C) 3/4 D) All are homozygotes. E) None are homozygotes.
Which of the following statements is false?
a. Enzymes are highly specific and act on chemicals called substrates. b. Enzymes act as catalysts and speed up chemical reactions within cells. c. Most enzymes work best under high salt conditions. d. Most enzymes are proteins. e. Enzymes can become deactivated by high fevers
What does the RNA polymerase enzyme complex do?
A) It brings complimentary RNA nucleotides to DNA. B) It unwinds the DNA. C) It unwinds the DNA, brings complementary RNA nucleotides to DNA, and synthesizes an RNA molecule. D) It synthesizes RNA molecule. E) It splices introns out of mRNA.