Which of the following enzymes is responsible
for the wide range of diversity found in RNA
viruses?
a. DNA polymerase
b. RNA polymerase
c. reverse transcriptase
d. protease
e. ligase
C
You might also like to view...
The 5' upstreamregions of transcriptionally active genes generally donot exhibit which of the following characteristics?
A. contain binding sites for known regulatory proteins B. relatively fewer nucleosomes C. increased in vitro sensitivity to DNase I D. increased concentration of histone H1
If the inner membrane of the mitochondria were compromised in some way, what effect would this
have on cellular respiration?
a. The transport of electrons across the inner mitochondrial membrane would not occur. b. The proton gradient across the inner mitochondrial membrane would dissipate. c. The ATP synthase enzyme would be denatured. d. The cell would generate more ATP than before. e. ATP would no longer be made anywhere in the cell by any mechanism.
Which statement is true?
a. Feathers are waterproof because they secrete cellulose. b. Trabeculae are small bones found in the wings. c. Both beaks and feathers are composed of keratin. d. Feathers help to radiate excess body heat.
Which structure places a fish in the class Actinopterygii?
a. swim bladder b. pharynx with gills c. nerve chord d. fleshy lobed fines e. more flexible fins with less bone