Author Question: A virus can be described as a parasite with which of the following traits? a. Nucleic acid core ... (Read 147 times)

P68T · **on:** Jul 16, 2018

A virus can be described as a parasite with which of the following traits?

a. Nucleic acid core c. Size of less than 20 nm
b. Carbohydrate sheath d. Ability to produce spores

Question 2

To survive adverse conditions, such as excessive heat and dryness, bacteria might do which of the following?

a. Store excess water in special sporelike structures
b. Form large colonies in a short period of time
c. Speed up their enzymatic processes
d. Form endospores

emilymalinowski12 · **Reply #1 on:** Jul 16, 2018

Answer to Question 1

ANS: A
Viruses have a nucleic acid core surrounded by a protein sheath; viruses range from 20 nm to 200 nm. They do not produce spores.

Answer to Question 2

ANS: D
Certain bacteria form endospores under adverse conditions such as dryness, heat, and poor nutri-tion. Bacteria do not undergo any of the other processes mentioned.