Which of the following brings tRNA with an amino acid close enough to mRNA to permit interaction and the assembly of amino acids to form a protein?

A) DNA polymerase B) mRNA C) RNA polymerase D) ribosome


Answer: D

Biology & Microbiology

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Blood is classified into different types based on the presence or absence of certain ________ on the surface of a person's red blood cells.

A) MHC molecules B) HLA molecules C) antibodies D) antigens E) IL-2 molecules

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Which of these muscle types permit(s) voluntary movement?

A) cardiac B) skeletal C) smooth D) All of the above permit voluntary movement.

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Cytoplasmic signal transduction controls the checkpoints of the cell cycle.

a. true b. false

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After eating a Yummie cake, what molecule do you expect to be most abundant in your digestive system?

A) amino acids B) monosaccharides C) cellulose D) triglycerides

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