Molecular Genetics Part Two Test

What cell structure contains the genetic material and controls the cell’s activities?

• Nucleus

• Mitochondria

• Ribosomes

• Cell membrane

What is the shape of a DNA molecule?

• Single Strand

• Double helix

• Ribosomes

• Cell membrane

In humans, there is approximately 30% adenine. What is the percentage of Thymine bases?

• 15

• 30

• 60

• 10

During transcription, RNA molecules are produced by copying part of which molecule?

• RNA

• Water

• Glucose

• DNA

Every three nucleotides of a mRNA strand is more commonly known as a (n) __

• codon

• anticodon

• RNA

• DNA

A tRNA molecule contains a specific amino acid at one end and a(n) ________________ on the other end.

• codon

• anticodon

• Ribose

• Ribosome

What compound pairs up with cytosine in RNA?

• adenine

• guanine

• cytosine

• uracil

Proteins are polymers formed from what monomer____________.

• lipids

• carbohydrates

• nucleic acids

• amino acids

Which of the following DNA segments could be a product of DNA reproduction?

• CAUACGUCG

• GCAUGACCU

• ACCGUAUUG

• ATCGGTAAG

Which of the following describes the function of mRNA

• It stays in the nucleus and is copied by DNA

• It carries amino acids to manufacture proteins

• It provides the site for protein synthesis

• It carries transcribed DNA information to the ribosomes