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Q 1/40
Score 0
Which of the following is NOT a true statement concerning the classification of prokaryotes?
30
All prokaryotes had been placed into a single kingdom called the Monera.
Animal and plant cells are prokaryotes.
Some scientists believe that the two main groups of prokaryotes should be called domain, a level of classification even higher than a kingdom.
Recently, the Monera kingdom was divided into two kingdoms: the Eubacteria and the Archaebacteria.
Q 2/40
Score 0
Which of the following is NOT a way that a virus can spread?
30
carrier organisms (mosquitoes, fleas, etc...)
air
body fluids (sweat, saliva, mucus, blood, etc...)
vaccines
40 questions
Q.
Which of the following is NOT a true statement concerning the classification of prokaryotes?
1
30 sec
Q.
Which of the following is NOT a way that a virus can spread?
2
30 sec
Q.
How can viral infections be treated?
3
30 sec
Q.
How are bacteria named?
4
30 sec
Q.
What are pathogens?
5
30 sec
Q.
What does prokaryotic mean?
6
30 sec
Q.
Which of the following is NOT one of the three most common shapes of bacteria?
7
30 sec
Q.
What shape are cocci?
8
30 sec
Q.
How do most bacteria reproduce?
9
30 sec
Q.
How can we prevent viruses from spreading?
10
30 sec
Q.
How can bacteria be killed and/or prevented from spreading?
11
30 sec
Q.
Which of the following is NOT a positive use of bacteria?
12
30 sec
Q.
What is a vaccine?
13
30 sec
Q.
Rank the following in order of size from smallest to largest.
14
30 sec
Q.
What shape are spirilla?
15
30 sec
Q.
What shape are bacilli?
16
30 sec
Q.
Eubacteria are different than archaebacteria because their cell walls are composed of ___________________.
17
30 sec
Q.
Which statements are true concerning archaebacteria?
I. The cells walls of archaebacteria do not contain peptidoglycan.
II. The DNA sequences of key archaebacterial genes are more like those of eukaryotes than those of eubacteria.
III. Many archaebacteria live in extreme environments.
18
30 sec
Q.
Which is true concerning the cell walls of eubacteria?
19
30 sec
Q.
What kind of prokaryote uses sunlight for energy, but takes in organic compounds as a carbon source?
20
30 sec
Q.
Bacteria that can survive with or without oxygen are known as _________________________.
21
30 sec
Q.
What happens during bacterial conjugation?
22
30 sec
Q.
Spores allow bacteria to survive harsh conditions.
23
30 sec
Q.
Bacteria recycle nutrients and maintain equilibrium in the environment.
24
30 sec
Q.
Which of the following is NOT true of viruses?
25
30 sec
Q.
A ____________ is the virus’s protein coat.
26
30 sec
Q.
Viruses that infect bacteria are called ____________________.
27
30 sec
Q.
In what kind of infection does a virus enter a cell, make copies of itself, and cause the cell to burst?
28
30 sec
Q.
In a lysogenic infection, a virus integrates its DNA into the DNA of the host cell, and the viral genetic information replicates along with the host cell's DNA.
29
30 sec
Q.
The viral DNA embedded in the host's DNA is called a macrophage.
30
30 sec
Q.
Retroviruses contain DNA as their genetic information.
31
30 sec
Q.
After infecting living cells, what can a virus do?
32
30 sec
Q.
How do bacteria produce disease?
33
30 sec
Q.
____________________ is the body's ability to destroy new pathogens.
34
30 sec
Q.
Which of the following is a viral infection?
35
30 sec
Q.
Antibiotics can be used to treat viral infections.
36
30 sec
Q.
Which of the following is NOT a method for controlling bacterial growth?
37
30 sec
Q.
Viroids cause disease in animals.
38
30 sec
Q.
Prions contain only protein—no DNA or RNA.
39
30 sec
Q.
Bacteria that live without oxygen because they may be killed by it are called _______________ _________________.
