Chapter 1

Question 1

What are mitochondria?

Answer 1

Relatively large organelles surrounded by a double-membrane

Question 2

How do mitochondria compare in size to the nucleus and chloroplasts?

Answer 2

They are smaller than the nucleus and chloroplasts, but can be seen with a light microscope

Question 3

What structural feature do mitochondria have?

Answer 3

The inner membrane is folded to form cristae

Question 4

What is the primary function of mitochondria in eukaryotic cells?

Answer 4

They are the site of aerobic respiration

Question 5

What does the mitochondrial matrix contain?

Answer 5

Enzymes needed for aerobic respiration, mitochondrial DNA, and ribosomes

Question 6

What is the role of mitochondrial DNA?

Answer 6

Allows the production of proteins required for respiration

Question 7

What is the significance of the highly folded inner membrane of mitochondria?

Answer 7

Provides a large surface area for embedded proteins involved with aerobic respiration

Question 8

Fill in the blank: Mitochondria are the site of _______ within eukaryotic cells.

Answer 8

aerobic respiration

Question 9

True or False: Mitochondria contain small, circular pieces of DNA.

Answer 9

True

Question 10

What is the term for the inner folds of the mitochondrial membrane?

Answer 10

Cristae