The "language" of RNA is called the . a
nucleotide strategy.
b
genetic code.
c
substitution mutation.
d
transcription.

The first amino acid of a new polypeptide chain is

What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna

Which action is a reflex action. a. asking for coffe in a cold climate b. blinking when light is flashed in the eyes c. drinking water when thirsty. d. swallowing food e. taking an exam