Question 1: This diagram shows the process of translation. Which statement is correct? A. The mRNA code determines which tRNA molecules are used
B. The molecule of tRNA is taking away amino acids one at a time.
C. The amino acid chain is held together by mRNA
D. The molecule of tRNA bonds with mRNA before it bonds to an amino acid.

Question 2: The diagram above represents a biochemical process that occurs in a cell. The purpose of this process is to synthesize?

A. Messenger RNA
B. Carbohydrates
C. Deoxyribonucleic Acids
D. Proteins

Question 3: Scientist continually work to better understand human diseases. Knowledge of the human genome enables them to better understand the proteins involved. How does analyzing human genomes help scientists in this endeavor?

A. Chromosomes join together to make proteins.
B. The bases that make up DNA are also present in RNA
C. DNA contains the information used to make proteins.
D. Nucleic acid molecules have shapes similar to those of proteins.

Question 4: Which component of the genetic code differs between DNA and RNA?

A. Three nucleotides per codon
B. The presence of adenine (A) in codons
C. The presence of uracil (U) in codons
D. The presence of amino acids in codons

Question 5: What mRNA sequence will best match the section of DNA shown below?

A. G – A – T – C – C – T
B. C – T – A – G – G – C
C. C – U – A – G – G – A
D. T – C – G – A – A – G