A cell is inhibited during the S phase of its cycle. It will not reproduce due to lack of

a. ATP availability
b. centriole migration
c. plasma membrane structure.
d. DNA synthesis.


Ans: d. DNA synthesis.

Biology & Microbiology

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The function of the glycoprotein spike on some viruses is to:

a. allow viral entry into the host cell. b. protect the nucleic acid. c. prevent drying out and the destruction of the virus. d. stabilize attachment for the lipid envelope.

Biology & Microbiology

It is often said that development is a two-step process. Which two steps are likely to be referred to here?

What will be an ideal response?

Biology & Microbiology

The figure below shows five water molecules. The hydrogen bonds shown in this figure are each between


A) two hydrogen atoms.
B) an oxygen and a hydrogen atom of the same water molecule.
C) an oxygen and a hydrogen atom of different water molecules.
D) two atoms with the same charge.

Biology & Microbiology

An inflamed fluid-filled lesion on the finger caused by either HHV-1 or HHV-2 is known as a (blister/wart/whitlow).

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology