Test One (II)

Question 1

Centriole

Answer 1

• cylindrical cell structure made mostly of tubulin

- found in eukaryotes

Question 2

Peroxisomes

Answer 2

• found in eukaryotes

- neutralize toxins

Question 3

Lysosomes

Answer 3

• found in eukaryotes

- enzyme involved in breakdown of nutrients and self destruction

Question 4

Mitochondria

Answer 4

• found in eukaryotes

- aerobic ATP production

Question 5

Nucleolus

Answer 5

• found in eukaryotes

- responsible for rRNA synthesis and ribosome synthesis

Question 6

Rough ER

Answer 6

-synthesis and packing of proteins

Question 7

Smooth ER

Answer 7

• storage organelle

- lipid synthesis

Question 8

Golgi

Answer 8

• modifies, packages, and sorts macromolecules for cell secretion
• exocytosis

Question 9

Skeletal Muscle

Answer 9

• major function: attaching to skeleton
• multinucleate
• striated (have visible banding)
• voluntary
• cells surrounded by connective tissue

Question 10

Smooth Muscle

Answer 10

• no striations
• involuntary
• uninucleate
• found mainly in walls of hollow organs (i.e. digestive tract)

Question 11

Cardiac Muscle

Answer 11

• has striations (but not as prominent as skeletal muscle)
• usually uninucleate
• involuntary
• only in heart