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