Which of the following statements about the mRNA start codon is INCORRECT?

A. The start codon is only a few nucleotides from the ribosomal binding site.
B. The start codon is usually GGA.
C. The start codon is usually AUG.
D. The start codon specifies the amino acid methionine.
E. The start codon defines the reading frame.


B. The start codon is usually GGA.

Biology & Microbiology

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Which of the following is produced during the events of the citric acid cycle?

a. ATP b. water c. oxygen d. glucose

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The luminal contents of the same organ that secretes the hormone into the blood inhibits the further release of ______.  

A.  gastrin B.  cholecystokinin C.  secretin D.  gastric inhibitory peptide E.  insulin

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In the GAL gene system, which protein acts as an activator protein through its transcription-initiating effect?

What will be an ideal response?

Biology & Microbiology

The two strands of DNA are held together by hydrogen bonds

Indicate whether the statement is true or false

Biology & Microbiology