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LAP 7 STUDY GUIDES- BIO
Terms in this set (25)
Fossil evidence indicates that the earliest prokaryotes on Earth lived about
c.2.5 billion years ago.
Which of the following types of bacteria would you be most likely to find in very salty water?
Archaea and Bacteria are placed in separate domains because
d.their rRNA sequences are different
c.Gram-positive bacteria that form branching filaments.
Which of the following types of bacteria would you be most likely to find in the human
d. enteric bacterium
One structure you would not find in a bacterial cell is a
Which of the following is not a method of movement used by bacteria?
b. forceful expulsion of water from contractile vacuoles
Photoautotrophic bacteria obtain energy
a. from the sun.
Which types of bacteria can live in the presence of oxygen?
c. only obligate aerobes and facultative
The process by which two living bacteria bind together and transfer genetic information
One bacterial disease that is transmitted by contaminated drinking water is
A poison that is released from the outer membrane of dead Gram-negative bacteria is called
c. an endotoxin.
Which of the following is not a way that bacteria cause disease in humans?
b. conjugating with human cells
Bacteria can become resistant to antibiotics by
c. acquiring an R-plasmid for resistance.
One of the positive ways bacteria affect our lives is by
d. helping to clean up oil spills.
One viral disease that can occur in childhood and then reappear in adulthood in a more
serious form is
Which of the following viral diseases is now considered to be eradicated?
An emerging virus is one that arises
c. when isolated habitats are developed by humans.
A disease-causing particle made of RNA without a capsid is called
a. a viroid.
The most successful approach to controlling viral diseases has been the use of
1. A diagnosis of AIDS is made when a person has
c. few T cells.
2. Which of the following is a route of HIV transmission?
c. sharing of hypodermic needles
3. The most common means of HIV transmission is
a. sexual intercourse with a person infected with HIV.
4. Vaccines against HIV are difficult to design because HIV
c. changes rapidly.
5. HIV begins to reproduce
b. shortly after infection.
Recommended textbook explanations
Kenneth R. Miller, Levine
Nelson Science Perspectives 10
Christy C. Hayhoe, Doug Hayhoe, Jeff Major, Maurice DiGiuseppe
Texas Science Fusion: Grade 7
Biology for NGSS
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