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Chapter 3 Test Review

Total questions: 58

Worksheet time: 35mins

Name
Class
Date
1.
Where are stellate cells found in the body?
a)
nervous system
b)
muscle cells
c)
circulatory system
d)
urinary system
2.
What molecule makes up the cell membrane?
a)
steroids
b)
phosphates
c)
phospholipids
d)
none of the above
3.
What is another name for the cell membrane?
a)
steroid bilayer membrane
b)
phospholipid single layer membrane
c)
steroid single layer membrane
d)
phospholipid bilayer membrane
4.
What is the role of cholesterol in the membrane?
a)
it keeps the membrane solid
b)
it helps keep the membrane fluid
c)
it allows the membrane to be semipermeable
d)
it allows for cellular processes in the membrane to happen at a faster rate
5.
What is a leak channel?
a)
requires a chemical messenger to open the channel
b)
freely lets ions go into or out of the cell through the channel
c)
requires an electrical stimulation to open the channel
d)
none of the above
6.
What is a ligand gated channel?
a)
requires a chemical messenger to open the channel
b)
freely lets ions go into or out of the cell through the channel
c)
requires an electrical stimulation to open the channel
d)
none of the above
7.
What is a voltage gated channel?
a)
requires a chemical messenger to open the channel
b)
freely lets ions go into or out of the cell through the channel
c)
requires an electrical stimulation to open the channel
d)
none of the above
8.
What molecules flow into/out of the sodium potassium pump and how many?
a)
2 Na out; 3 K in
b)
2 Cl out; 3 Na in
c)
3 Na out; 2 K in
d)
3 Cl out; 2 Na in
9.
What is the role of the sodium potassium pump?
a)
keeps the inside of the cell more negative and the outside of the cell more positive
b)
keeps the inside of the cell more positive and the outside of the cell more negative
c)
keeps both the inside and outside of the cell more negative
d)
keeps both the inside and outside of the cell more positive
10.
What does the G protein in the second messenger system do?
a)
it activates the enzyme needed to carry out metabolic processes
b)
it deactivates the enzyme needed to carry out metabolic process
c)
it will convert ATP to cAMP
d)
A&B
11.
What do the kinases in the second messenger system do?
a)
it activates the enzyme needed to carry out metabolic processes
b)
it deactivates the enzyme needed to carry out metabolic process
c)
it will convert ATP to cAMP
d)
A&B
12.
What is structurally wrong with respiratory and pancreatic cells in cystic fibrosis?
a)
the sodium potassium pumps were not correctly installed in the membranes
b)
the chlorine channels were not installed into the cell membrane causing mucus to build up
c)
there is not enough electrical stimulation to remove the mucus
d)
A & B
13.
When it comes the cell membrane, it is considered to be _______ ________.
a)
always impermeable
b)
completely permeable
c)
not existent
d)
selectively permeable
14.
What is active transport?
a)
the transport of ions without the use of ATP
b)
the transport of ions using ATP
c)
the flow of water from a low concentration of solute to one of a high concentration
d)
A & C
15.
What is passive transport?
a)
the transport of ions without the use of ATP
b)
the transport of ions using ATP
c)
the flow of water from a low concentration of solute to one of a high concentration
d)
A & C
16.
What system of the body is filtration found?
a)
circulatory
b)
urinary
c)
nervous
d)
A &B
17.
What is a uniport?
a)
one ion flowing out and one ion flowing into the cell
b)
an ion flowing one way
c)
two ions flowing in the same direction
d)
none of the above
18.
What is a symport?
a)
one ion flowing out and one ion flowing into the cell
b)
an ion flowing one way
c)
two ions flowing in the same direction
d)
none of the above
19.
What is an antiport?
a)
one ion flowing out and one ion flowing into the cell
b)
an ion flowing one way
c)
two ions flowing in the same direction
d)
none of the above
20.
What is an example of antiport?
a)
a ligand gated channel
b)
a voltage gated channel
c)
chlorine channels in the respiratory cells
d)
the sodium potassium pumps
21.
What is facilitated diffusion?
a)
movement of ions down its concentration gradient using ATP
b)
movement of ions up its concentration gradient using ATP
c)
movement of ions down its concentration gradient without ATP
d)
movement of ions up its concentration gradient without ATP
22.
What is primary active transport?
a)
movement of ions down its concentration gradient using ATP
b)
movement of ions up its concentration gradient using ATP
c)
movement of ions down its concentration gradient without ATP
d)
movement of ions up its concentration gradient without ATP
23.
What is secondary active transport?
a)
movement of ions down its concentration gradient using ATP
b)
movement of ions up its concentration gradient using ATP
c)
movement of ions down its concentration gradient without ATP
d)
movement of ions up its concentration gradient indirectly using ATP
24.
Where in the reproductive system is exocytosis found?
a)
the egg
b)
the seminal vessicle
c)
the sperm
d)
none of the above
25.
Which protein makes up the microfilaments in the cytoplasm?
a)
mysoin
b)
adenocyclate
c)
actin
d)
none of the above
26.
What role do the microtubules have in the cytoplasm of the cell?
a)
they hold the organelles in place for meiosis
b)
they release the DNA or RNA fragments from the nucleus
c)
they detoxify toxins to keep the cell alive
d)
all of the above
27.
Where are the chromosomes found in the cell?
a)
mitochondria
b)
rough endoplasmic reticulum
c)
smooth endoplasmic reticulum
d)
nucleus
28.
What is the nuclear envelope?
a)
protects the nucleus from toxins
b)
has pores that allows for the DNA and RNA materials to leave the nucleus
c)
helps produce protein chains from translation of RNA
d)
A & B
29.
What is the role of the ROUGH Endoplasmic Reticulum?
a)
produces the membrane proteins and phospholipids
b)
detoxifies the cell and produces steroids
c)
produces proteins for lysosomes
d)
A & C
30.
What is the role of the SMOOTH Endoplasmic Reticulum?
a)
produces the membrane proteins and phospholipids
b)
detoxifies the cell and produces steroids
c)
produces proteins for lysosomes
d)
A & C
31.
What is the role of the ribosomes in the cell?
a)
reading mRNA in translation
b)
producing a protein chain from translation
c)
found on the rough endoplasmic reticulum
d)
all of the above
32.
What is the role of the golgi complex of the cell?
a)
break down the macromolecules of the cell
b)
detoxify the cell from venom, alcohol, or drugs
c)
makes ATP
d)
packages up cellular material to be sent within the cell or out of the cell
33.
What is the role of the lysosome of the cell?
a)
detoxify the cell from venom, alcohol, or drugs
b)
makes ATP
c)
packages up cellular material to be sent within the cell or out of the cell
d)
break down the macromolecules of the cell
34.
What is the role of the mitochondria of the cell?
a)
detoxify the cell from venom, alcohol, or drugs
b)
makes ATP
c)
packages up cellular material to be sent within the cell or out of the cell
d)
break down the macromolecules of the cell
35.
A cell with a 30% molarity is placed in a solution with a 20% molarity. What tonicity will the cell be in?
a)
hypertonic
b)
hypotonic
c)
isotonic
d)
A & C
36.
_______ regulates what enters and leaves a cell.  
a)
Cell Membrane
b)
Nucleus
c)
Mitochondria
d)
Cytoplasm
37.

Identify the following structure

a)

Phospholipid

b)

Cell

c)

Cell membrane

d)

Protein

38.
Semi-permeable mean to allow
a)
all materials across the membrane
b)
only some materials across the membrane
c)
no material to cross the membrane
d)
to allow only water across the membrane
39.

Which organelle is responsible for producing ATP in the cell?

a)

Nucleus

b)

Lysosome

c)

Mitochondria

d)

Golgi apparatus

40.

What is the function of the smooth endoplasmic reticulum?

a)

Lipid synthesis and detoxification

b)

Protein synthesis

c)

Packaging proteins

d)

DNA replication

41.

Which of the following best describes facilitated diffusion?

a)

Movement of molecules against their concentration gradient using ATP

b)

Movement of molecules down their concentration gradient through a protein channel

c)

Movement of water only

d)

Movement of ions through the lipid bilayer without proteins

42.

Which of the following best describes the function of the Golgi apparatus in a cell?

a)

Synthesizes proteins

b)

Packages and modifies proteins for transport

c)

Produces ATP

d)

Breaks down waste materials

43.

What type of transport requires energy directly from ATP to move substances across the cell membrane?

a)

Simple diffusion

b)

Primary active transport

c)

Osmosis

d)

Facilitated diffusion

44.

Which organelle is primarily responsible for breaking down cellular waste and debris?

a)

Ribosome

b)

Mitochondria

c)

Lysosome

d)

Nucleus

45.
What type of transport is this?
a)
facilitated diffusion
b)
active transport
c)
diffusion
d)
osmosis
46.
The picture below is an example of _________________.
a)
osmosis
b)
isotonic
c)
diffusion
d)
active transport
47.
a)

Active transport, because energy is being used to move molecules against the concentration gradient

b)

Facilitated diffusion, because energy is being used to move molecules with the concentration gradient

c)

Osmosis, because energy is not being used to move molecules with the concentration gradient

d)

Endocytosis because energy is not being used to move molecules against the concentration gradient

48.
Where is DNA stored in a cell? 
a)
Lysosomes
b)
Golgi Complex
c)
Ribosomes
d)
Nucleus
49.
What is the fluid inside a cell called? 
a)
Endoplasimic Reticulum
b)
Orange Juice
c)
Water
d)
Cytoplasm
50.

Which organelle is found inside the nucleus and produces ribosomes

a)

Nucleolus

b)

Cell Membrane

c)

Lysosome

d)

Golgi Bodies

51.

The organelle that assembles proteins in the cytoplasm:

a)

Ribosome

b)

Nucleus

c)

Mitochondrion

d)

Rough Endoplasmic Reticulum

52.

Which organelle is responsible for packaging and modifying proteins in the cell?

a)

Nucleus

b)

Lysosome

c)

Golgi apparatus

d)

Endoplasmic reticulum

53.

What is the main function of ribosomes in a cell?

a)

Regulating cell division

b)

Synthesizing proteins

c)

Producing energy

d)

Storing genetic material

54.

Which of the following best describes osmosis?

a)

Movement of glucose into the mitochondria

b)

Movement of proteins through the Golgi apparatus

c)

Movement of ions against their concentration gradient

d)

Movement of water across a selectively permeable membrane

55.

What is the main function of lysosomes in a cell?

a)

DNA replication

b)

Digestion of waste materials

c)

Energy production

d)

Protein synthesis

56.

Which organelle is responsible for synthesizing lipids in the cell?

a)

Golgi Apparatus

b)

Nucleolus

c)

Mitochondria

d)

Smooth Endoplasmic Reticulum

57.

What is the main function of ribosomes in a cell?

a)

Produce proteins

b)

Transport substances

c)

Store genetic information

d)

Break down waste materials

58.

Which of the following best describes active transport across the cell membrane?

a)

Movement of ions through leak channels

b)

Movement of molecules up their concentration gradient using ATP

c)

Movement of molecules down their concentration gradient without energy

d)

Movement of water only

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