EVERYDAY SCIENCE

SCIENCE

VIRUS AND BACTERIA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of these is characteristic of both viruses and bacteria?
A
They get their energy from their environment.
B
They can reproduce on their own.
C
They can form crystals and become dormant.
D
They contain proteins and nucleic acids.
Explanation: 

Detailed explanation-1: -Thus, bacteria and viruses both contain nucleic acids in their genetic material.

Detailed explanation-2: -All viruses contain nucleic acid, either DNA or RNA (but not both), and a protein coat, which encases the nucleic acid. Some viruses are also enclosed by an envelope of fat and protein molecules. In its infective form, outside the cell, a virus particle is called a virion.

Detailed explanation-3: -Still, viruses have some important features in common with cell-based life. For instance, they have nucleic acid genomes based on the same genetic code that’s used in your cells (and the cells of all living creatures). Also, like cell-based life, viruses have genetic variation and can evolve.

Detailed explanation-4: -The properties and behaviour of viruses differ according to their nucleic acid content. Unlike cells (e.g. bacteria, plant and animal cells), viruses contain either DNA or RNA, never both; the viral nucleic acid is either single or double stranded.

There is 1 question to complete.