In the process of mRNA splicing, the lariat structure is the ____
a. splicing complex
b. region where two exons are pasted together
c. enzyme that cuts the pre-mRNA
d. released intron
e. region where two introns are pasted together
ANSWER: d
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Prior to hibernation, bears seek food with what primary nutrient?
a. fat b. protein c. carbohydrate d. starch
Which of the following statements is NOT true for
the animal depicted in the above figure? a. It has a third eye that gets covered over by scales. b. It is a tuatara. c. They walk like salamanders. d. They thrived during the Triassic period. e. All of these are true.
Which of these symptoms is NOT consistent with decreased aldosterone secretion?
A. excessive urine production B. low blood pressure C. high plasma potassium levels D. high plasma sodium levels
If a gene has three alleles in a population, their frequencies must add up to ________
A) 1.0 B) 0 C) 3.0 D) 1.5