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Question 1 (1 point) Which statement(s) about the lac operon in E. coli is correct? O A) It is an example of transcriptional regulation B) An inducer binds to a repressor molecule and activates transcription OC) A corepressor binds to a repressor molecule and activates transcription D) Lactose binds directly to the operator and activates it O E) Both a) and b) are correct OF) Both c) and d) are incorrect Question 2 (1 point) Which of the following descriptions best fits the class of molecules known as nucleotides? O A) a nitrogen base and a phosphate group OB) a nitrogen base and a five carbon sugar only OC) a nitrogen base, a phosphate group, and a five carbon sugar D) a five carbon sugar, a phosphate group, and a purine E) a pyrimidine, a purine, and a six carbon sugar

Question 1 (1 point) Which statement(s) about the lac operon in E. coli is correct? O A) It is an example of transcriptional regulation B) An inducer binds to a repressor molecule and activates transcription OC) A corepressor binds to a repressor molecule and activates transcription D) Lactose binds directly to the operator and activates it O E) Both a) and b) are correct OF) Both c) and d) are incorrect Question 2 (1 point) Which of the following descriptions best fits the class of molecules known as nucleotides? O A) a nitrogen base and a phosphate group OB) a nitrogen base and a five carbon sugar only OC) a nitrogen base, a phosphate group, and a five carbon sugar D) a five carbon sugar, a phosphate group, and a purine E) a pyrimidine, a purine, and a six carbon sugar

Biology 2e
Biology 2e
2nd Edition
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark
Chapter16: Gene Expression
Section: Chapter Questions
Problem 38CTQ: A scientist discovers a virus encoding a Protein X that degrades a subunit of the elF4F complex....
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Question 1 (1 point) Which statement(s) about the lac operon in E. coli is correct? O A) It is an example of transcriptional regulation B) An inducer binds to a repressor molecule and activates transcription OC) A corepressor binds to a repressor molecule and activates transcription D) Lactose binds directly to the operator and activates it O E) Both a) and b) are correct OF) Both c) and d) are incorrect Question 2 (1 point) Which of the following descriptions best fits the class of molecules known as nucleotides? O A) a nitrogen base and a phosphate group OB) a nitrogen base and a five carbon sugar only OC) a nitrogen base, a phosphate group, and a five carbon sugar D) a five carbon sugar, a phosphate group, and a purine O E) a pyrimidine, a purine, and a six carbon sugar
Transcribed Image Text:Question 1 (1 point) Which statement(s) about the lac operon in E. coli is correct? O A) It is an example of transcriptional regulation B) An inducer binds to a repressor molecule and activates transcription OC) A corepressor binds to a repressor molecule and activates transcription D) Lactose binds directly to the operator and activates it O E) Both a) and b) are correct OF) Both c) and d) are incorrect Question 2 (1 point) Which of the following descriptions best fits the class of molecules known as nucleotides? O A) a nitrogen base and a phosphate group OB) a nitrogen base and a five carbon sugar only OC) a nitrogen base, a phosphate group, and a five carbon sugar D) a five carbon sugar, a phosphate group, and a purine O E) a pyrimidine, a purine, and a six carbon sugar
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