The green arrow in the diagram below represents
a) time
b) number of evolved characteristic
c) directions to the "fish" icon
d) the number of common ancestors
e) evolutionary advancement
Answer: a) time
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The basic taxonomic unit in the classification scheme of plants and animals is
A. kingdom. B. class. C. order. D. genus. E. species.
Applying human feelings and emotions to animals is
A. anthropomorphism. B. ethology. C. sociobiology. D. redirected aggression.
Some doctors prescribe synthetic thyroxine for weight loss even when circulating levels are normal. Will this work? What side effects are possible?
What will be an ideal response?
Two "magic" solutions are sold by a research supply company. "Magic Solution A" promises to extract all proteins, including integral membrane proteins, from the plasma membrane. "Magic Solution B" promises to simply extract all peripherally associated membrane proteins. What is the likely composition of "Magic Solution A" and "Magic Solution B"?
A. "Solution A" and "Solution B" both contain high salt buffers that disrupt hydrogen bonds and ionic interactions. B. "Solution A" is a high salt buffer that disrupts hydrogen bonds and ionic interactions, "Solution B" is a membrane solubilizing detergent. C. "Solution A" and "Solution B" both include membrane solubilizing detergent(s). D. "Solution A" is a membrane solubilizing detergent, "Solution B" is a high salt buffer that disrupts hydrogen bonds and ionic interactions.