The poly(
A) tail of an mRNA
A) helps transport the pre-mRNA to the cytoplasm.
B) keeps the coding sequences from being degraded.
C) is added without an RNA template.
D) is important in initiation of translation.
E) is removed from an mRNA after its maturation.
B
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The nuclear lamina is an array of filaments on the inner side of the nuclear membrane. If a method were found that could cause the lamina to fall into disarray, what would you most likely expect to be the immediate consequence?
A) the loss of all nuclear function B) the inability of the nucleus to divide during cell division C) a change in the shape of the nucleus D) failure of chromosomes to carry genetic information E) inability of the ribosomes to produce proteins
Species that retain the eggs within the female but do not nourish them via a placenta are:
A. ovoviviparous B. viviparous C. oviparous D. hermaphroditic E. parthenogenetic
Sucrose is composed of
a. two molecules of fructose. b. two molecules of glucose. c. a molecule of fructose and a molecule of glucose. d. a molecule of fructose and a molecule of galactose. e. two molecules of galactose
The typical transmission of dimorphic fungi is inhalation of ________.
Fill in the blank(s) with the appropriate word(s).