Which of the following statements about retroviruses is correct?
A) Retroviruses produce mRNA from the integrated viral DNA but produce progeny RNA genome from the genomic RNA template.
B) Retroviruses produce both progeny RNA genome and mRNA from the genomic RNA template.
C) Retroviruses produce progeny RNA genome from the integrated viral DNA but produce mRNA from the genomic RNA template.
D) Retroviruses directly use the genomic RNA for viral protein translation.
E) Retroviruses produce both progeny RNA genome and mRNA from the integrated viral DNA.
Ans: E) Retroviruses produce both progeny RNA genome and mRNA from the integrated viral DNA.
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a. a rectangle-shaped age structure diagram b. an r value < 0 c. a pyramid-shaped age structure diagram d. per capita birth and death rates consistent with those of a stage 4 society e. no density dependent factors operating
Which of the following concepts best describes the wide variety of dog species we observe, ranging from the domesticated golden retriever or the basset hound, to the wild dogs of Africa, to foxes?
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he route a pathogen uses to get into the human host is called the _____ of _____
Fill in the blank(s) with the appropriate word(s).
A woman and her spouse both show the normal phenotype for pigmentation, but both had one parent who was an albino. Albinism is an autosomal recessive trait. What is the probability that their first child will be an albino?
A) 0 B) 1/4 C) 1/2 D) 3/4 E) 1