ENTER QUIZ NAME

The process of copying a gene's DNA sequence into a sequence of RNA is called

• replication.
• transcription.
• translation
• PCR.

The transcribing enzyme is

• ligase.
• DNA polymerase.
• RNA polymerase.
• amino-acyl transferase.

Which molecule contains the genetic code?

• DNA
• mRNA
• tRNA
• rRNA
  

Transcription occurs along a ____ template forming an mRNA in the ____ direction.

• 5' to 3'; 5' to 3'
  
• 5' to 3'; 3' to 5'
• 3' to 5'; 5' to 3'
• 3' to 5'; 3' to 5'

Which of the statements below is false?

• The genetic code is overlapping
• The genetic code is universal.
• Degenerate codons specify the same amino acids.
• The genetic code is triplet.

The first mRNA codon to specify an amino acid is always

• TAC.
• UAA.
• UAG.
• AUG.

The amino acid sequence of a polypeptide chain comprises the ____ structure of the protein.

• primary
• secondary
• tertiary
• quaternary

Transfer RNA's bind during translation by the

• codon.
• anticodon.
• template.

Of the ____ different possible codons, ____ specify amino acids and ____ signal stop.

• 20, 17, 3
• 180, 20, 60
• 64, 61, 3
• 61, 60, 1

RNA contains which bases?

• adenine, thymine, guanine, cytosine, uracil
• adenine, thymine, guanine, cytosine
• thymine, guanine, cytosine, uracil
• adenine, guanine, cytosine, uracil