Answers26-27 Biology ALab: Building Proteins from RNA

Week 11: Bacteria Forms Answers

0 verified answers2 views
1
Free Preview

What is the advantage of genetic recombination as a mode of reproduction in bacteria?

A
less time finding other bacteria
B
higher rates of reproduction
C
more susceptibility to antibiotics
D
greater genetic variation
2
Free Preview

Which mode of genetic recombination is matched correctly with its description?

A
transduction—virus transfers genes from one bacteria to another
B
conjugation—involves splitting of one cell and results in two identical cells
C
binary fission—requires direct cell-to-cell contact of bacteria
D
transformation—uses a pilus to transmit genetic information between bacteria
3

How does Propionibacterium acnes cause acne in humans?

A
Overuse of antibiotics can cause bacteria to clog pores in humans.
B
This type of bacteria is found on the human skin, and it can clog pores.
C
This type of bacteria often enters a cut and causes an infection in humans.
D
Close contact with an infected person can lead to acne in humans.
4

Which scientist developed the idea that microorganisms can cause diseases?

A
Paul Ehrlich
B
Anton van Leeuwenhoek
C
Louis Pasteur
D
Alexander Fleming
5

Which correctly describes a process that occurs in bacteria?

A
In binary fission, the two new cells that are formed are susceptible to the same antibiotic.
B
In conjugation, bacterial DNA is transferred from one bacterium to another by a replicating virus.
C
In transduction, the cells that are formed are susceptible to the same antibiotic.
D
In transformation, a special sex pilus is required to connect two bacterial cells.
6

Consider this microscopic image of bacteria. Which bacterial shape is shown in the image?

Question illustration
A
oval
B
rod shaped
C
spherical
D
spiral
7

Consider this microscopic image of bacteria.Based on its shape, what is most likely the form of this bacteria?

Question illustration
A
coccus
B
staphus
C
bacillus
D
spirillum
8

Which bacterial form can be curved like a spiral, thick and rigid, or thin and flexible?

A
spirillum
B
coccus
C
bacillus
D
aerobic
9

Which scientist devised tests that helped confirm that bacteria and other microorganisms cause a variety of diseases?

A
Robert Koch
B
Anton van Leeuwenhoek
C
Louis Pasteur
D
Alexander Fleming
10

Which type of bacterial reproduction involves the donation of a single strand of plasmid DNA from one bacterial cell to another?

A
binary fission
B
conjugation
C
transformation
D
transduction

Did you find these answers helpful?

More from this Course

Quiz
10 verified answers

DNA Mutations

Quiz
10 verified answers

Introduction to Genetics

Quiz
10 verified answers

Laws of Inheritance