DNA polymerase I
A. seals DNA gaps.
B. adds bases to new DNA chain.
C. removes primers.
D. proofreads DNA chain.
E. All of these choices are correct,
Answer: C
You might also like to view...
Which one of the following properties of water is primarily responsible for the ability of trees to draw water up from the roots to the leaves?
A. polarity B. density C. solvent capability D. high surface tension E. pH neutrality
At the time of its discovery in 1938, the coelacanth was believed to have been extinct for 66 million years. Coelacanths are unusual fish by any measure; able to grow to the same size and weight as an adult human, live for fifty to sixty years, with eight lobed fins, an intracranial joint that allows it to open its jaw surprisingly wide, and a cranium filled with far more fatty tissue than brain, the coelacanth is frequently described as a living fossil, and reportedly tastes terrible. To which class does the coelacanth belong?
a. Myxini b. Petromyzontida c. Sarcopterygii d. Actinopterygii
The various flower parts are attached to a modified branch called the:
a. style b. receptacle c. stigma d. filament e. sepal
Phosphatase enzymes
A) add phosphate groups. B) always inhibit target molecule activity. C) bind tightly by wrapping around a target molecule to regulate its activity. D) remove phosphate groups. E) metabolize glucose.