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Bio II Fall Review
Test Description: Fall Review
Instructions: Answer all questions to get your test result.
1) We know viruses are not alive because
A
all of the above
B
they are not cellular
C
they cannot make proteins
D
they cannot use energy
2) The study of viruses is part of biology because
A
they are about to become extinct
B
they are active inside living cells
C
they are living organisms
D
they belong to the kingdom Monera
3) The tobacco mosaic virus
A
causes disease in tobacco plants
B
is smaller than a bacterium
C
all of the above
D
is able to be crystallized
4) Viruses
A
have nuclei and organelles
B
reproduce in living cells
C
are cellular organisms
D
are surrounded by a polysaccharide coat
5) A typical virus consists of
A
a protein coat and a nucleic acid core
B
a carbohydrate coat and a nucleic acid core
C
none of the above
D
a protein coat and a cytoplasm core
6) Biologists now know that viruses
A
consist of a protein surrounded by a nucleic acid coat
B
contain RNA or DNA in a protein coat
C
all of the above
D
are the smallest organisms
7) The capsid of the virus is the
A
cell membrane complex
B
protective outer coat
C
cell membrane
D
nucleus
8) An animal virus enters its host cell by
A
being injected into the cell
B
punching a hole in the cell membrane
C
penetrating a rip in the cell wall
D
endocytosis across the cell membrane
9) The cycle of viral infection, replication and cell destruction
A
lytic cycle
B
none of the above
C
lysogenic cycle
D
metabolic cycle
10) A pathogen is an agent that is
A
harmful only to plants
B
nearly extinct
C
beneficial to all organisms
D
harmful to living organisms
11) HIV can be transmitted
A
through sharing of nonsterile needles
B
to infants during pregnancy or through breast milk
C
all of the above
D
through sexual contact
12) One difference between the cells in the human body and bacterial cells is that bacterial cells have
A
no DNA
B
no ribosomes
C
an outer cell wall made up of lipids
D
an outer cell wall make up of polysaccharides and proteins
13) Structures found in eukaryotic cells but NOT in a bacterial cell are
A
all of the above
B
nuclei
C
membrane-bound organelles
D
linear chromosomes
14) Which of the following might be found in the cyctoplasm of a bacterial cell?
A
mitochondria
B
chloroplasts
C
Golgi bodies
D
none of the above
15) Bacterial cells have
A
a cell wall inside of the their cell membrane
B
a cell membrane only
C
a cell wall only
D
both a cell membrane and an outer cell wall
16) Bacteria cells can be classified according to their
A
type of cell walls
B
Gram-staining characterisitics
C
methods of obtaining energy
D
all of the above
17) Alexander Fleming, a British bacteriologist, is credited with the discovery of
A
New England Patriots
B
penicillin
C
HIV
D
photosynthetic bacteria
18) Antibiotics
A
include penicillin, tetracycline and streptomycin
B
may prevent bacteria from making new cell walls
C
are effective treatments for bacterial diseases
D
all of the above
*select an answer for all questions
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