Viruses are not considered to be alive, yet they share this ability with living cells:

a. They can metabolize food
b. They can evolve
c. They can reproduce on their own
d. They can produce cell membranes
e. They can synthesize proteins


b. They can evolve

Biology & Microbiology

You might also like to view...

What is the immediate effect of ligand binding to a ligand-gated channel?

A. the flow of ions into or out of the cell B. a conformational change of the channel C. the activation of kinase proteins D. the formation of cyclic AMP

Biology & Microbiology

Because of some of the problems with explaining how the first RNA organisms originated, an alternative possibility

has been proposed in which ____.

a. proteins and RNA evolved simultaneously b. DNA existed before RNA c. lipids functioned as enzymes d. a different form of life existed before the RNA world e. viruses functioned as carriers for RNA

Biology & Microbiology

Fibrous layer

What will be an ideal response?

Biology & Microbiology

The inducer for the E. coli lac operon is allolactose produced by the action of permease on lactose.

Answer the following statement true (T) or false (F)

Biology & Microbiology