____ nucleotides form the code for one amino acid

a. Two
b. Three
c. Six
d. Nine

e. Twelve


b

Biology & Microbiology

You might also like to view...

Which is not a portal of entry?

a. Gastrointestinal tract b. Urogenital tract c. Respiratory system d. Circulatory system e. Skin

Biology & Microbiology

Indirect development in sea urchins involves the presence of a _________________ stage.  

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Many signal transduction pathways utilize second messengers to ____

a. transport a signal through the lipid bilayer of the plasma membrane b. relay a signal from the outside of the cell to the inside c. relay a signal from the inside of a cell membrane to the outside of the cell d. decrease the message once the signal molecules have left the receptor e. relay the message from the inner surface of the plasma membrane throughout the cytoplasm

Biology & Microbiology

A(n) ________ is a disease in which antibodies attack specific cells of the body.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology