A atoms b proteins c ribosome d 51 viruses e

A)
atoms
B)
proteins
C)
ribosome
D)
51

viruses
E)
mitochondria
Answer
:
E
Topic
:
4.2
Skill
:
Application
52

2)
Which part of the mitochondrion shown is its matrix?
A)
structure A
B)
structure B
C)
structure C
D)
structure D
E)
structure E
Answer
:
E
Topic
:
4.14
Skill
:
Factual Recall
Scenario Questions
After reading the following paragraph, answer the question(s) below.
The skin is the body's largest organ. It's made up of many different types of cells. Oils, produced by the
sebaceous glands, prevent the skin from drying and splitting. The protein melanin, produced by
53

melanocytes in the epidermis, protects the skin from the harmful effects of ultraviolet radiation. Sweat,
released through ducts to the skin surface, helps to cool the body. The types of cells that produce these
compounds have different numbers of specific organelles, depending on their function.
1)
Based on their function, you would expect melanocytes in the skin to have a higher than usual number of
A)
lysosomes.
B)
chloroplasts.
C)
ribosomes.
D)
Golgi bodies.
E)
microtubules.
Answer
:
A
Topic
:
4.7, 4.9
Skill
:
Conceptual Understanding
54

2)
The oil from the sebaceous glands is produced by which of the following cell organelles?
A)
ribosomes
B)
rough endoplasmic reticulum
C)
cell membrane
D)
smooth endoplasmic reticulum
E)
central vacuole
Answer
:
D
Topic
:
4.9
Skil
l:
Factual Recall
55