One of the first events that occurs in the stomach in response to the presence of food is the release of _____, a hormone that stimulates the stomach to produce gastric juices.
A. cholecystokinin
B. gastrin
C. secretin
D. insulin
Q. 2Disruption of protein folding by mechanical shaking, heat, detergents, or acids is called
A. denaturation.
B. transamination.
C. translation.
D. refolding.
Q. 3The primary structure of a protein is
A. the final structure of the protein.
B. the linear arrangement of amino acids in a single peptide chain.
C. determined by cell signaling events.
D. altered during protein folding.
Q. 4Translation is the process
A. by which messenger RNA leaves the nucleus.
B. by which amino acids are joined using peptide bonds.
C. by which messenger RNA is constructed using DNA as a template.
D. of protein folding.
Q. 5A gene is
A. a section of DNA that is only used in reproduction.
B. a section of DNA that contains the information necessary to produce a particular protein.
C. a section of DNA that is converted to transfer RNA.
D. a section of DNA that moves outside the nucleus when protein synthesis is required.
Q. 6Transcription is
A. the process by which messenger RNA is constructed using DNA as a template.
B. the process of messenger RNA carrying the DNA information out of the nucleus.
C. the process by which a gene is directly converted into a protein.
D. the process by which messenger RNA is directly converted into a protein.
Q. 7The three steps involved in the process of protein synthesis are cell signaling, transcription, and
A. transamination.
B. deamination.
C. translation.
D. peptide bond cleavage.
Quick Reply
