The nuclear envelope functions as a
A) means of separating nuclear and cytoplasmic constituents.
B) means of localization of the chromosomes within the cell.
C) selective barrier, allowing certain substances in or out.
D) means of sequestering many of the mRNA processing activities from the cytosol.
E) selective barrier that separates nuclear and cytoplasmic constituents, localizes chromosomes within the cell, and sequesters many of the mRNA processing activities from the cytosol.
Answer: E
You might also like to view...
The amount of energy necessary for an
electron to jump to its next level
a. varies depending on the atom. b. is exactly equal to what it needs. c. is always in excess of the needed amount. d. is exactly twice the energy emitted when the electron loses energy. e. is less than the energy emitted when the electron loses energy.
Which of the following are isomers?
A) glucose and fructose B) glucose and sucrose C) sucrose and glucose D) lactose and maltose
If two individuals of a population, who vary in their phenotype, mate, it is called _____
A. Outbreeding B. Inbreeding C. Disassortative mating D. Assortative mating
The sodium-potassium pump is an example of
a. simple diffusion. b. facilitated diffusion. c. osmosis. d. active transport. e. bulk flow.