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Prokaryotes
Test Description: Intro to bacteria
Instructions: Answer all questions to get your test result.
1) Prokaryotes
A
are not common.
B
are true cells.
C
are large multicellular organisms.
D
do not contain membrane-bound organelles.
2) Facultative anaerobes
A
require a constant supply of oxygen.
B
are photosynthetic but do not give off oxygen.
C
are killed in an oxygenated environment.
D
do not always need oxygen.
3) A bacterium cell wall is composed of
A
calcium carbonate.
B
peptidoglycan.
C
chitin.
D
cellulose.
4) The chromosome of a bacterium is
A
another name for a plasmid.
B
nonexistent - bacteria do not have chromosomes
C
contained in the nucleus.
D
contained in the nucleoid.
5) In response to unfavorable conditions some bacteria form
A
shelters of protein.
B
seeds.
C
endospores.
D
colonies.
6) Bacteria reproduce by
A
gamete formation.
B
sexual reproduction.
C
pollination.
D
binary fission.
7) The exchange of genetic material between bacteria through a sex pilus is
A
transduction.
B
transformation.
C
translation.
D
conjugation.
8) The uptake of genetic material from the environment is
A
translation.
B
conjugation.
C
transformation.
D
transduction.
9) The transfer of genetic information from one bacteria to another by a bacteriophage is
A
conjugation.
B
transformation.
C
transduction.
D
translation.
10) An obligate anaerobe
A
can only grow at high temperatures.
B
cannot grow without oxygen.
C
cannot grow in the presence of oxygen.
D
cannot grow at high temperatures.
*select an answer for all questions
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