Virus and Bacteria Quiz
A person who is HIV positive cannot spread the virus.
Viruses contain DNA or RNA but never both.
Anthrax is a deadly bacteria which is capable of surviving for decades in soil because it is able to form
C. Cell Walls
What do bacteria use to reproduce?
C. binary fission
What is the gel-like covering that bacteria have which makes many antibiotics ineffective?
B. Cell Wall
In which stage in the life cycle is the virus reproducing?
B. Binary Fission
What do some bacteria produce that are capable of killing the host and are among the most toxic poisons known?
Some bacteria have a gel-like covering called a _______which makes many antibiotics ineffective.
D. Cell Wall
What are the sticky string-like projections that bacteria use to cling to surfaces?
B. Tail Fibers
What is the most important function of bacteria?
A. acting as decomposers
B. make people sick
C. make yogurt
What do viruses use to attach to the host’s cell?
C. tail fibers
When a viral DNA attaches to the host cell’s DNA it is called a
Bacteria use whip-like structures to move through liquids that are called
Bacteria possess several pairs of chromosomes.
What are small circular pieces of DNA which can be exchanged between bacteria and give the bacteria different characteristics such as drug resistance?
A. Cell Wall
When a person has a cold sore ( fever blister) the herpes virus is in lytic cycle.
Viruses use their spikes or tail fibers to attach to phospholipids of the cell membrane.
What is the most unique characteristic of bacteria?
A. Their shape
B. Their DNA
C. Their prokaryotic cells
Which stage of the life cycle is Aids in?
Which stage of the life cycle is HIV in?
All bacteria have cell walls.
Bacteria aid many animals in digestion.
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