Which of the Following Statements Are True About the Small

question 50

Multiple Choice

Which of the following statements are true about the small ribosomal subunit?

• A) It catalyzes peptide bond synthesis.
• B) It is responsible for proofreading of the amino acid incorporated in response to a given codon.
• C) It forms a complex with initiator tRNA and mRNA
• D) It contains both A and P sites for tRNA attachment.
• E) none is true

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Definitions:

Plicae Circularis

Plicae circulares are circular folds of the inner lining of the intestine, which increase the surface area for absorption of nutrients.

Intestinal Villi

Small, finger-like projections that extend into the lumen of the small intestine, greatly increasing its surface area for nutrient absorption.

Intestinal Glands

Glands located in the lining of the small and large intestines that secrete digestive enzymes and other substances to aid in digestion and nutrient absorption.

Pharynx

The muscular tube that connects the mouth and nasal passages to the esophagus and larynx, serving both respiratory and digestive functions.