Ribosomes are made up of which kind of nucleic acid?

A) mRNA
B) tRNA
C) rRNA
D) DNA


Answer: C) rRNA

Biology & Microbiology

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Which of the following is not involved in the specific targeting of proteins to lysosomes?

a. N-linked glycosylation in the ER b. Mannose phosphorylation c. The mannose-6-phosphate receptor d. Signal patches

Biology & Microbiology

A prescription medication lists a rare side effect of impairing the movement of smooth muscle. This medication could potentially affect the:

A) walls of the small intestine. B) heart. C) muscles that move your arms and legs. D) muscles that move the eyeballs.

Biology & Microbiology

Match the letter of each example from childbirth to the appropriate component of a positive feedback loop.A. Pituitary gland secretes oxytocin, which acts on the uterusB. Uterine contractions increaseC. Fetus is pushed against uterine openingD. Receptors detect stretchE. Brain receives and compares stretch informationStimulus

What will be an ideal response?

Biology & Microbiology

Invertebrates include __________.

a. all animals except those in the phylum Vertebrata b. only animals that have hydrostatic skeletons c. all animals without backbones d. all animals without an endoskeleton e. only animals that have exoskeletons

Biology & Microbiology