Which enzyme is responsible for adding complementary DNA bases to an exposed DNA strand?

A) DNA helicase
B) DNA polymerase
C) DNA ligase
D) DNA peptidase


B

Biology & Microbiology

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The is a cartilage flap that covers the larynx to prevent food entry during swallowing.

A. epiglottis B. glottis C. vocal cords D. pharynx E. esophagus

Biology & Microbiology

The expression of a trait in a child is always independent of which parent the gene for that trait was

inherited from. Indicate whether the statement is true or false.

Biology & Microbiology

In a cell signalling pathway there can be more than one sensor.

a. true b. false

Biology & Microbiology

Sulfanilamide is an antimicrobial drug that mimics the shape of an important substrate for a particular bacterial enzyme, thereby inhibiting the enzyme. This type of inhibition is known as

A) allosteric inhibition. B) competitive inhibition. C) allosteric activation. D) noncompetitive inhibition. E) feedback inhibition.

Biology & Microbiology