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Bacteria/DNA Review
Test Description: Questions to review for Friday test.
Instructions: Answer all questions to get your test result.
1) Scientists classify and name bacteria based on their
A
all of the above
B
Gram stain
C
formation
D
shape
2) The bacteria Staphylococcus aureus would be
A
rod-shaped and in a chain
B
spiral-shaped and in a cluster
C
sphere-shaped and in a cluster
D
sphere-shaped and in pairs
3) Bacteria in the Kingdom Archaebacteria can
A
live in extreme conditions
B
live for a long time
C
die when exposed to salt
D
multiply rapidly
4) Viruses take over the host cell machinery to
A
manufacture food
B
make more virus particles
C
cause trouble
D
eliminate waste
5) Viruses are always
A
able to live outside of a cell
B
deadly to their hosts
C
able to reproduce on their own.
D
specific to a particular host
6) The first living organisms to inhabit the Earth were
A
insects
B
viruses
C
dinosaurs
D
cyanobacteria
7) The earliest bacteria produced oxygen enabling
A
more complex life to develop over time
B
animals to hunt for food.
C
single-celled organisms to breathe
D
viruses to multiply
8) The three part building block of DNA is called
A
a nitrogen base
B
a pyrimidine
C
a phosphate
D
a nucleotide
9) In DNA, the nitrogen base pairs form the
A
bottom of the ladder
B
sides of the ladder
C
top of the ladder
D
rungs of the ladder
10) HIV can be spread through
A
kissing
B
shaking hands
C
sitting on toilet seats
D
having unprotected sex or sharing needles
*select an answer for all questions
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