Ribosomes leave the nucleus as
a. intact 80S ribosomes.
b. intact 70S ribosomes.
c. 40S and 60S ribosomal subunits.
d. 18S and 28S rRNAs.
Ans: c. 40S and 60S ribosomal subunits.
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If a virus is referred to as naked, it means it lacks which structure?
a. Protein coat b. Capsid c. Envelope d. Nucleocapsid
Based on this study, which of the following is true?
a. The researchers have proven their theory. b. The researchers have evidence to support their hypothesis. c. The data from the experiment is inconclusive. d. The researchers must run several more similar trials before their hypothesis is proven.
Suppose sugar is taken out of an excretory system tubule and back into the blood. This would be an
example of
a. reabsorption. b. release. c. filtration. d. secretion. e. diffusion.
Which of the following is NOT a predisposing factor of disease?
A) lifestyle B) genetic background C) climate D) occupation E) All of these are predisposing factors of disease.