Which is the MOST toxic form of mercury?
A) CH3Hg+
B) Hg0
C) Hg2+
D) Hg4+
Answer: A
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Egg whites consist primarily of water and the protein albumin. When you fry an egg, why does the egg white turn from clear to white?
A. The protein becomes dissociated. B. The protein acquires tertiary structure. C. The protein becomes denatured. D. The protein becomes dehydrated.
The term that refers to the presence of a tuft of flagella emerging from a single site is ________.
A. amphitrichous B. atrichous C. lophotrichous D. peritrichous E. monotrichous
Why are chytrid fungi of such keen research interest to biologists?
What will be an ideal response?
Looking at the figure above, the darker screen behind the plants in genotype 1:
a. shows that these plants grow tall at high and low elevations but are short at medium elevations. b. shows that the plants respond very differently to elevation. c. shows that this genotype grows tallest at medium elevations and shorter at high and low eleva-tions. d. A and C.