Course

Cell Biology

Study Pack

Set 1 Cells The Fundamental Units Of Life

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Question 1

(Multiple Choice)

Free
Which three characteristics best support the rapid evolution of prokaryotic populations?

A)microscopic, motile, anaerobic
B)aerobic, motile, rapid growth
C)no organelles, cell wall, can exchange DNA
D)large population, rapid growth, can exchange DNA

Answer

Question 2

(Multiple Choice)

Free
Which statement is NOT true about mutations?

A)A mutation is a change in the DNA that can generate offspring less fit for survival than their parents.
B)A mutation can be a result of imperfect DNA duplication.
C)A mutation is a result of sexual reproduction.
D)A mutation is a change in the DNA that can generate offspring that are as fit for survival as their parents are.

Answer

Question 3

(Multiple Choice)

Free
Mitochondria contain their own genome, are able to duplicate, and actually divide on a different time line from the rest of the cell.Nevertheless, mitochondria cannot function for long when isolated from the cell because they are

A)viruses.
B)parasites.
C)endosymbionts.
D)anaerobes.

Answer