Question detail

CGE-FINAL-14: In control of gene expression, which statement about repressor protein is most accurate?

Try the question, check the answer, then read the explanation to understand the curriculum point.

At a glance

MCQ

Type

practice

Style

Topic

Control of gene expression official content

Question

  1. A. CGE-FINAL-14: repressor protein binds an operator and can block transcription. Experimental method: independent variable is guide RNA; dependent variable is survival fraction; controlled variable is MOI. Keep controls constant. Evaluate validity, reliability, accuracy, precision, uncertainty, risk, limitation, conclusion and improvement.
  2. B. CGE-FINAL-14: repressor protein forms peptide bonds. Control check 14.1: this option lacks at least one named variable or evaluation.
  3. C. CGE-FINAL-14: repressor protein copies DNA semi-conservatively. Control check 14.2: this option lacks at least one named variable or evaluation.
  4. D. CGE-FINAL-14: repressor protein adds a poly-A tail. Control check 14.3: this option lacks at least one named variable or evaluation.

Answer

Exam route 152: answer the prompt by applying Relate altered amino acid sequences to protein structure and function.. State the relevant biological context, explain the mechanism in order, use evidence from the question where provided, and finish with the consequence or evaluation required by the command word.

Explanation

Reasoning route 152: The deciding biological point is Relate altered amino acid sequences to protein structure and function.. In Control of gene expression official content, that means using protein structure, amino acid sequence accurately and explaining the mechanism before the outcome. The question wording is "CGE-FINAL-14: In control of gene expression, which statement about repressor protein is most accurate?". Reasoning route 152: The deciding biological point is Relate altered amino acid sequences to protein structure and function.. In Control of gene expression official content, that means using protein structure, amino acid sequence accurately and explaining the mechanism before the outcome. The question wording is "CGE-FINAL-14: In control of gene expression, which statement about repressor protein is most accurate?". Reasoning route 152: The deciding biological point is Relate altered amino acid sequences to protein structure and function.. In Control of gene expression official content, that means using protein structure, amino acid sequence accurately and explaining the mechanism before the outcome. The question wording is "CGE-FINAL-14: In control of gene expression, which statement about repressor protein is most accurate?". CGE-FINAL-14: The correct option links repressor protein to the learning objective because it states the specific molecular role and avoids confusing transcription, translation, epigenetic control or cell-cycle regulation. Experimental method: independent variable is guide RNA; dependent variable is survival fraction; controlled variable is MOI. Keep controls constant. Evaluate validity, reliability, accuracy, precision, uncertainty, risk, limitation, conclusion and improvement. This also helps avoid confusing similar A-Level terms that share vocabulary but test different biological reasoning. This also helps avoid confusing similar A-Level terms that share vocabulary but test different biological reasoning. This also helps avoid confusing similar A-Level terms that share vocabulary but test different biological reasoning.

Common mistake

Alteration of the sequence of bases in DNA can alter the structure of proteins common mistake 1

Giving a vague answer instead of directly addressing: Relate altered amino acid sequences to protein structure and function..

Answer by clearly explaining how to relate altered amino acid sequences to protein structure and function..

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