Viruses, viroids, and prions are obligate intracellular agents

Indicate whether this statement is true or false.


TRUE

Biology & Microbiology

You might also like to view...

When you are classifying a species based on evolutionary relationships, a phylotenetic tree is then being used as a ____.

A. node. B. speciation plan. C. morphological cut off point. D. molecular diagram. E. cladogram.

Biology & Microbiology

Which of the following is NOT a characteristic of shade leaves on a plant?

A. more chlorophyll production B. less mesophyll tissue C. more air spaces D. lacking an epidermal layer

Biology & Microbiology

Nitrogen fixation is a process that

a) releases nitrate from the rock substrate. b) converts ammonia to nitrate. c) converts nitrogen gas into ammonia. d) recycles nitrogen compounds from dead and decaying materials. e) recycles nitrogen compounds from dead and decaying materials and converts nitrogen gas into ammonia.

Biology & Microbiology

The directions for each amino acid in a polypeptide are indicated by a codon that consists of ________ nucleotides in an RNA molecule

A) five B) four C) three D) two

Biology & Microbiology