Pangea, the name given to the supercontinent that existed before continental drift, was coined by:
a. Sir Francis Bacon.
b. Alfred Wegener.
c. Harry Hess.
d. Edward Suess.
e. Sir Alistair Hardy.
B
You might also like to view...
Which of the following is an advantage of DNA typing?
A. It can be used to differentiate identical twins. B. Only small amounts of DNA are needed. C. It is cheaper than fingerprinting. D. It is error free compared to any other method. E. None of the answer options is correct.
The physiologist J. Soum surgically sealed off an air sac of a pigeon and injected carbon monoxide into it. What did he observe and conclude from this experiment?
A. The bird died demonstrating the toxicity of this gas. B. The bird was fine, demonstrating this gas is not actually toxic. C. The bird died, indicating diffusion of gases across the air sac into the blood. D. The bird showed no ill effects, indicating diffusion of gases from the air sac into the blood. E. The bird showed no ill effects, indicating gases do not diffuse from the air sac into the blood.
Blood is delivered to each nephron by
a. an efferent arteriole. b. peritubular capillaries. c. a renal capsule. d. an afferent arteriole. e. proximal tubules.
In RFLP, ___ enzymes are used to cut out the DNA sequence of interest.
What will be an ideal response?