Human viruses can enter human cells by fusion with the cell membrane or by:

a. endocytosis.
b. diffusion into the cell.
c. passage through specific protein channels


d. attaching onto protein signals entering the cell.
e. coating themselves with lipids that cloak their entrance into the cell.


a

Biology & Microbiology

You might also like to view...

After replication, in eukaryotic cells, both the original and its replicated copy chromosome are each called a

A. nucleosome. B. sister chromatid. C. centromere. D. chromatin. E. chromosome.

Biology & Microbiology

Four of the five choices below are components

of the human lymphatic system. Select the EXCEPTION.

a. spleen b. pancreas c. tonsils d. lymph nodes e. thymus

Biology & Microbiology

Seasonally flooded, forested wetlands along river systems are referred to as bottomlands or ________ woodlands

Fill in the blank(s) with correct word

Biology & Microbiology

The common house mouse species, Mus musculus, has the following classification: Musculus, Mus , Muridae, Rodentia, Mammalia, Chordata, Animalia, Eukarya. What part of the name is the family?

A. Rodentia B. Muridae C. Animalia D. Chordata

Biology & Microbiology