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LS C3 (Module 7) Study Guide/Test Review

Total questions: 59

Worksheet time: 35mins

Name
Class
Date
1.

What is the effect of a hypertonic solution on a cell?

a)

The cell shrinks as water moves out.

b)

The cell swells as water moves in.

c)

The cell remains the same size.

d)

The cell bursts due to pressure.

2.

What is the effect of an isotonic solution on a cell?

a)

The cell remains the same size as there is no net movement of water.

b)

The cell swells and bursts due to water intake.

c)

The cell shrinks due to water loss.

d)

The cell undergoes active transport to balance solute concentration.

3.

What is the effect of a hypotonic solution on a cell?

a)

The cell swells as water moves in.

b)

The cell shrinks as water moves out.

c)

The cell remains the same size.

d)

The cell bursts due to excessive water intake.

4.

List the three parts of the cell theory?

a)

1. Cells are the basic unit of life. 2. Cells come from preexisting cells. 3. All living organisms are composed of cells.

b)

1. Cells are the basic unit of life. 2. Cells can spontaneously generate. 3. All living organisms are composed of cells.

c)

1. Cells are the basic unit of life. 2. Cells come from preexisting cells. 3. All living organisms are composed of atoms.

d)

1. Cells are the basic unit of life. 2. Cells come from preexisting cells. 3. All living organisms are composed of molecules.

5.

The mitochondria is referred to as the powerhouse of the cell. What is its function?

a)

Energy production

b)

Protein synthesis

c)

Photosynthesis

d)

Cell division

6.

Predict how oxygen crosses the plasma membrane if the concentration of oxygen is lower inside the cell than it is outside the cell.

a)

By active transport

b)

By facilitated diffusion

c)

By simple diffusion

d)

By osmosis

7.

The function of carrier protein during active transport is to:

a)

facilitate diffusion of molecules across the membrane

b)

bind to molecules and change shape to shuttle them across the membrane

c)

provide energy for the transport of molecules

d)

act as a barrier to prevent molecules from crossing the membrane

8.

The cytoskeleton is made up of which components?

a)

Microtubules, microfilaments, and intermediate filaments

b)

Ribosomes, mitochondria, and lysosomes

c)

Nucleus, endoplasmic reticulum, and Golgi apparatus

d)

Cell wall, chloroplast, and vacuole

9.

Describe the role of mitochondria in a cell.

a)

Converts fuel particles into usable energy

b)

Stores genetic information

c)

Synthesizes proteins

d)

Regulates cell division

10.

Describe the role of ribosomes in a cell.

a)

Manufactures or produces proteins

b)

Stores genetic information

c)

Breaks down waste materials

d)

Transports nutrients

11.

Describe the role of the endoplasmic reticulum in a cell.

a)

Site for protein and lipid synthesis

b)

Energy production

c)

Genetic material storage

d)

Cell division

12.

Describe the role of the Golgi apparatus in a cell.

a)

Modifies, sorts, and packages proteins

b)

Produces energy for the cell

c)

Synthesizes DNA

d)

Breaks down waste materials

13.

Describe the role of lysosomes in a cell.

a)

Contains substances that digest worn-out organelles and food

b)

Stores genetic information

c)

Produces energy for the cell

d)

Synthesizes proteins

14.

Describe the role of vacuoles in a cell.

a)

Stores food, enzymes, and other materials

b)

Produces energy for the cell

c)

Synthesizes proteins

d)

Controls cell division

15.

Describe the role of the nucleus in a cell.

a)

Contains most of the cell's genetic information, or DNA

b)

Produces energy for the cell

c)

Controls the cell's movement

d)

Synthesizes proteins

16.

Describe the role of chloroplasts in a cell.

a)

Captures light energy and converts it to chemical energy

b)

Stores genetic information

c)

Breaks down waste materials

d)

Synthesizes proteins

17.

Describe the role of centrioles in a cell.

a)

Uses microtubules that function during cell division

b)

Stores genetic information

c)

Produces energy for the cell

d)

Synthesizes proteins

18.

Describe the role of the cell wall in a cell.

a)

Surrounds the plasma membrane to protect the cell and give it support

b)

Stores genetic information

c)

Produces energy for the cell

d)

Synthesizes proteins

19.

Homeostasis is defined as the ability of an organism to maintain a stable internal environment despite changes in external conditions.

a)

The ability to grow and reproduce

b)

The ability to maintain a stable internal environment

c)

The ability to move and respond to stimuli

d)

The ability to adapt to new environments

20.

What is the function of carbohydrates in the plasma membrane?

a)

Defines a cell's characteristics and helps identify chemical signals.

b)

Provides structural support to the cell.

c)

Transports molecules across the membrane.

d)

Produces energy for cellular activities.

21.

What is the role of transport proteins in the plasma membrane?

a)

Move needed substances or waste materials through the plasma membrane.

b)

Provide structural support to the cell.

c)

Synthesize proteins for the cell.

d)

Store genetic information.

22.

What does cholesterol do in the plasma membrane?

a)

Helps prevent the fatty-acid tails of the phospholipid bilayer from sticking together.

b)

Increases the permeability of the membrane.

c)

Acts as a primary energy source for the cell.

d)

Facilitates the transport of proteins across the membrane.

23.

Phospholipids consist of two regions that determine what enters and exits the cell. What are these two regions?

a)

1. Polar heads (blue) 2. Nonpolar fatty acid tails (green)

b)

1. Nonpolar heads (green) 2. Polar fatty acid tails (blue)

c)

1. Hydrophobic heads (red) 2. Hydrophilic tails (yellow)

d)

1. Hydrophilic heads (yellow) 2. Hydrophobic tails (red)

24.

Select which word(s) apply to the structure or organelle listed below:

ribosome

a)

plant

b)

animal

c)

prokaryote

25.

Select which word(s) apply to the structure or organelle listed below:

endoplasmic reticulum

a)

plant

b)

animal

c)

prokaryote

26.

Select which word(s) apply to the structure or organelle listed below:

ribosome

a)

plant

b)

animal

c)

prokaryote

27.

Select which word(s) apply to the structure or organelle listed below:

flagella

a)

plant

b)

animal

c)

prokaryote

28.

Select which word(s) apply to the structure or organelle listed below:

nucleus

a)

plant

b)

animal

c)

prokaryote

29.

Select which word(s) apply to the structure or organelle listed below:

DNA

a)

plant

b)

animal

c)

prokaryote

30.

Select which word(s) apply to the structure or organelle listed below:

lysosome

a)

plant

b)

animal

c)

prokaryote

31.

Select which word(s) apply to the structure or organelle listed below:

Golgi apparatus

a)

plant

b)

animal

c)

prokaryote

32.

Select which word(s) apply to the structure or organelle listed below:

plasma membrane

a)

plant

b)

animal

c)

prokaryote

33.

Select which word(s) apply to the structure or organelle listed below:

chloroplast

a)

plant

b)

animal

c)

prokaryote

34.

Select which word(s) apply to the structure or organelle listed below:

cell wall

a)

plant

b)

animal

c)

prokaryote

35.

Select which word(s) apply to the organism description listed below:

Organisms that have cells lacking internal membrane-bound organelles

a)

Eukaryote

b)

Prokaryote

c)

BOTH

Eukaryote & Prokaryote

36.

Select which word(s) apply to the organism description listed below:

Organisms that are either unicellular or multicellular

a)

Eukaryote

b)

Prokaryote

c)

BOTH

Eukaryote & Prokaryote

37.

Select which word(s) apply to the organism description listed below:

Organisms that have cells containing organelles

a)

Eukaryote

b)

Prokaryote

c)

BOTH

Eukaryote & Prokaryote

38.

Select which word(s) apply to the organism description listed below:

Organisms that are generally unicellular

a)

Eukaryote

b)

Prokaryote

c)

BOTH

Eukaryote & Prokaryote

39.

Select which word(s) apply to the organism description listed below:

Organisms whose cells do not have nuclei

a)

Eukaryote

b)

Prokaryote

c)

BOTH

Eukaryote & Prokaryote

40.

Select which word(s) apply to the organism description listed below:

Organisms that have plasma membranes

a)

Eukaryote

b)

Prokaryote

c)

BOTH

Eukaryote & Prokaryote

41.

Match the following substances being moved to the name of the process:

Water from high area to low area concentration

a)

endocytosis

b)

osmosis

c)

diffusion

d)

sodium-potassium ATPase pumps

e)

facilitated diffusion

42.

Match the following substances being moved to the name of the process:

Ions from low to high area concentration

a)

endocytosis

b)

osmosis

c)

diffusion

d)

sodium-potassium ATPase pumps

e)

facilitated diffusion

43.

Match the following substances being moved to the name of the process:

Substances from high to low area concentration

a)

endocytosis

b)

osmosis

c)

diffusion

d)

sodium-potassium ATPase pumps

e)

facilitated diffusion

44.

Match the following substances being moved to the name of the process:

Oxygen and Carbon Dioxide

a)

endocytosis

b)

osmosis

c)

diffusion

d)

sodium-potassium ATPase pumps

e)

facilitated diffusion

45.

Match the following substances being moved to the name of the process:

large particles

a)

endocytosis

b)

osmosis

c)

diffusion

d)

sodium-potassium ATPase pumps

e)

facilitated diffusion

46.

Which organelle produces protein for a cell?

a)

endoplasmic reticulum

b)

nucleus

c)

Golgi apparatus

d)

ribosome

47.

Which organelle is large in plant cells but small or absent in animal cells?

a)

nucleolus

b)

vacuole

c)

centriole

d)

chloroplast

48.

How do carrier proteins facilitate active transport?

a)

carrer proteins blosk the plasma membrane

b)

carrier proteins move substances from a high to low concentration

c)

carrier proteins move substances from a low to high concentration

d)

carrier proteins create an isotonic solution

49.

Predict how oxygen crosses the plasma membrane if the concentration of oxygen is lower inside the cell than it is outside the cell.

a)

oxyben enters the cell through channel proteins

b)

oxygen enters the cell through the plasma membrane

c)

oxygen leaves the cell through channel proteins

d)

oxygenn leaves the cell through the plasma membrane

50.

Which organelle is called the "powerhouse of the cell"?

a)

mitochondria

b)

nucleus

c)

ribosome

d)

vesicle

51.

Which of the following statements are principles of the cell theory? Select all that apply.

a)

Cells are the basic unit of life.

b)

Cells reproduce by binary fission

c)

Cells come from preexisting cells.

d)

All living organisms are composed of cells.

e)

Cells contain DNA and a plasma membrane.

52.

The cell has a lower concentration of solute, and the net movement of water is into the cell.

a)

isotonic solution

b)

hypertonic solution

c)

hypotonic solution

53.

The cell is at equilibrium with the solution, and there is no net movement of water.

a)

isotonic solution

b)

hypertonic solution

c)

hypotonic solution

54.

The cell has a higher concentration of solute and the net movement of water is out of the cell.

a)

isotonic solution

b)

hypertonic solution

c)

hypotonic solution

55.

All living organisms are composed of one or more (a)   .

56.

What is homeostasis?

a)

the process of maintaining balance in an organism’s internal environment

b)

the ability to move needed substances or waste materials through the plasma membrane

c)

the ability to arrange phospholipids in a way that allows the plasma membrane to tolerate the watery environment

d)

a membrane which allows some substances to pass through while keeping others out

57.

What components make up the cytoskeleton?

a)

cell wall and flagella

b)

microtubules and microfilaments

c)

microtubules and cytoplasm

d)

centrioles and microfilaments

58.

What is a centriole? 

a)

A long, hollow protein cylinder that forms a rigid skeleton for the cell and assists in moving substances within the cell.

b)

The semifluid material inside the plasma membrane.

c)

A thin protein thread that helps give the cell shape and enables the entire cell to move.

d)

An organelle made of microtubules that function during cell division.

59.

What cell structure is a thick, rigid, mesh of fibers that surrounds the outside of the plasma membrane, protects the cell, and gives it support?

a)

cell wall

b)

cilia

c)

centrioles

d)

centrioles

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