The direction of genetic information transfer in a retrovirus (such as HIV) is
A. RNA to DNA to mRNA to protein.
B. RNA to mRNA to protein.
C. RNA to protein.
D. DNA to protein.
E. DNA to mRNA to protein.
Answer: A
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Which of the following statements about great apes is correct?
A. Orangutans are more closely related to chimpanzees than to gorillas. B. Bonobos are more closely related to humans than to orangutans. C. Gorillas are more closely related to humans than to orangutans. D. Bonobos are more closely related to humans than to chimpanzees.
________ is the partial measure of the internal energy of a system, also known as the heat content.
Fill in the blank(s) with the appropriate word(s).
Which of the following is a symbiotic relationship that was probably present in the first terrestrial plants and is still important for the mineral nutrition of present-day angiosperms?
a. Mycorrhizae b. Lichens c. Insects pollinating flowers d. Carnivorous plants feeding on insects e. Epiphytes growing on a tree trunk
What happens in the fasting phase when levels of insulin are low?
What will be an ideal response?