Which of the following organisms would reproduce by binary fission?
A) bacteria B) plants C) animals D) fungi
Answer: A
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Which of the following is a key feature of chordates?
a. having a notochord in the embryonic stage b. possessing many rows of tube feet c. having thin arms that lack organs d. engaging in intracellular digestion
Which scientist(s) discovered the basis for the
base-pair rule, which stated that the amounts of adenine in all DNA are the same, as are the amounts of cytosine and guanine?
a. Watson and Crick b. Beadles c. Chargaff d. Franklin e. Pauling
If an entire genome is fragmented and then a large number of pieces are sequenced, the approach is known as the ________ approach
Fill in the blank(s) with correct word
During exercise, O2 is depleted in muscle tissue. What effect would this have on internal respiration?
A) There would be decreased diffusion of O2 out of the blood and into the muscle tissue and a decrease in heart rate to bring more O2 to the exercising muscle. B) There would be decreased diffusion of O2 out of the blood and into the muscle tissue. C) There would be increased diffusion of O2 out of the blood and into the muscle tissue. D) There would be increased diffusion of O2 out of the blood and into the lungs.