A newly-discovered double-stranded RNA virus which infects animal cells is found to contain a unique enzyme which synthesizes double-stranded RNA using an RNA template. Which of the following statements is likely to be true?
A) This enzyme is coded for by a gene in the host cell.
B) The enzyme probably came from the host animal cell.
C) The enzyme probably came from the host animal cell and is coded for by a gene in the host cell.
D) The virus must bring this enzyme into the host cell as synthesizing RNA from an RNA template does not happen in animal cells.
E) This enzyme would not be a good antiviral drug target as the host cell likely has a similar enzyme which could be affected by such a drug.
Answer: D
You might also like to view...
Members of the genus Micrococcus are frequently pigmented and may grow in yellow, red, or orange colonies.
Answer the following statement true (T) or false (F)
All of the chemical reactions used to break down nutrients and build up components within the body are collectively known as
A. anabolism. B. catabolism. C. metabolism. D. proteolysis. E. hydrolysis.
Answer the question using the accompanying figure. Which number identifies the structure that carries out protein
synthesis?
a. 2 b. 4 c. 5 d. 6 e. 9
Capillary walls consist of ____
a. stratified squamous epithelium b. simple squamous epithelium c. simple cuboidal epithelium d. stratified cuboidal epithelium e. simple columnar epithelium