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Review Cells Concept 1 & 2 review

Total questions: 132

Worksheet time: 4hrs 56mins

Name
Class
Date
1.

Which of the following is NOT a part of the cell theory

a)

All cells are made of atoms

b)

All living things are made of cells

c)

All cells come from pre-existing cells

d)

Cells are the basic structure and function of life

2.

The ___________ is the basic structure of life

a)

atom

b)

molecule

c)

cell

d)

organism

3.

All cells come from ___________ cells

a)
dead cells
b)
non-living matter
c)
pre-existing cells
d)
plants
4.

All of the following apply to prokaryotic cells except:

a)
They have a nucleus
b)
They lack membrane-bound organelles
c)

They have the ability to reproduce

d)

They have DNA

5.

All of the following apply to eukaryotic cells except:

a)
They contain a nucleus
b)
They have membrane-bound organelles
c)
They are smaller than prokaryotic cells
d)
They contain DNA
6.

Which of the following kingdoms contains prokaryotes?

a)
Animalia
b)
Fungi
c)
Plantae
d)

Eubacteria

7.

What do eukaryotic cells have that prokaryotic cells do not?

a)

Ribosomes

b)

The ability to move

c)

A nucleus and membrane-bound organelles

d)

DNA

8.

Organisms that are composed of many cells are called as _____________ organisms.

a)
Prokaryotic
b)
Eukaryotic
c)
Unicellular
d)
Multicellular
9.

Students use a microscope to look for structures present in four different cells. The students placed an X for each structure that was viewed for each cell on the table shown. Which cell that was viewed is most likely a prokaryote?

a)

Cell W

b)

Cell X

c)

Cell Y

d)

Cell Z

10.
What are the TWO main types of cells?
a)
plant cells and animal cells
b)
animal cells and bacteria
c)
plant cells and bacteria
d)
eukaryotic and prokaryotic
11.
Provides extra support for the plant cell and gives in shape
a)
chlorophyll
b)
chloroplast
c)
cell wall
d)
vacuole
12.
Which would be found in the cell of a sunflower plant but not in the cell of a chicken?
a)
cell wall
b)
vacuole
c)
mitochondria
d)
cell membrane
13.
Acts like a gatekeeper- allowing some materials to pass through it, but not others. 
a)
cytoplasm
b)
cell membrane
c)
mitochondria
d)
vacuoles
14.
Which of the following is a correct list of structures found in both plant AND animal cells?
a)
mitochondria, vacuole, nucleus, cell membrane, cytoplasm
b)
mitochondria, vacuole, nucleus, cell membrane, cytoplasm, cell wall, chloroplasts
c)
mitochondria, vacuole, nucleus, cell membrane, cell wall, chloroplasts
d)
mitochondria, vacuole, nucleus, cell membrane, cell wall
15.
Heterotrophic organisms contain animal cells which cannot produce their own food. As a result, heterotrophic organisms have to find other sources of food to fulfill their nutrition needs. This requires more energy on a daily basis. Which cell structure would release the energy a heterotrophic organism needs to find the food it needs?
a)
vacuole
b)
mitochondria
c)
chloroplasts
d)
nucleus
16.
What are tiny organelles that convert glucose into ATP?
a)
Ribosomes
b)
Vesicles
c)
Cytoskeleton
d)
Mitochondria
17.

Name this cell

a)

Prokaryotic

b)

Eukaryotic

c)

Animal

d)

Plant

18.
"powerhouse of the cell" breaks down sugar molecules to release energy
a)
Mitochondria
b)
Chloroplast
c)
Cell Wall
d)
Vesicle
19.
Makes proteins for the cell, can be found attached to the endoplasmic reticulum or free in the cytoplasm
a)
Cell Wall
b)
Golgi Body
c)
Ribosome
d)
Cytoplasm
20.
Tiny cell structures that carry out specific functions within the cell.
a)
membranes
b)
nucleus
c)
organelles
d)
animalicules
21.

An animal cell has the following except a/an...

a)

Nucleus

b)

Lysosome

c)

Cell Wall

d)

Endoplasmic reticulum

22.

Choose the statement below that is TRUE.

a)

Plant and animal cells both have cell walls so the cell can maintain its shape.

b)

Animal cells do not have chloroplasts because animals do not require the use of photosynthesis to produce their food.

c)

Plant cells do not have a nucleus because plants are not living organisms like animals are.

d)

Animal cells do not have cytoplasm because an animal cell's organelles are free to move around as they please.

23.

Euglena are unicelled organisms that live in pond water. They move around using a flagella and can perform photosynthesis when needed. They contain many organelles . What type of cells are they?

a)

Animal Cell

b)

Prokaryotic Cell

c)

Eukaryotic Cell

d)

Plant Cell

24.

Which do BOTH prokaryotes and eukaryotes contain?

a)

nucleus

b)

mitochondria

c)

ribosomes

d)

cell wall

25.
A fossilized cell is discovered, and evidence suggests it reproduced on its own and had DNA, but a membrane did not enclose its DNA. Which type of organism would this most likely be?
a)
prokaryote
b)
eukaryote
c)
plant cell
d)
animal cell
26.

Which of the following organisms are made up of prokaryotic cells?

a)

Plants

b)

Bacteria

c)

Animal

d)

Fungi

27.

Match the following

a)
1.

Plant Cell

b)
2.

Bacteria Cell

c)
3.

Animal Cell

d)

* All cells have

4.

* DNA, Cytoplasm, Ribosomes

e)

* Smaller simple cells no nucleus

5.

* Prokaryote

28.

This organelle is a rigid outer layer that protects plant cells.

a)

Cell Membrane

b)

Cell Wall

c)

Nucleus

d)

Chloroplast

29.

This organelle controls what goes in and out of plant and animal cells.

a)

Cell Wall

b)

Cell Membrane

c)

Cytoplasm

d)

Cytoplasm

30.

The _____________ stores food, water, wastes, and other materials in both plant and animal cells.

a)

Vacuole

b)

Mitochondria

c)

Ribosomes

d)

Chromatin

31.

This fluid in the cell is where the organelles are found. It contains water and chemicals the cell needs.

a)

Blood

b)

Cytoplasm

c)

Plasma

d)

Vacuole

32.

These organelles convert the energy in food molecules to a form the cell can use.

a)

Chloroplasts

b)

Mitochondria

c)

Lysosomes

d)

Ribosomes

33.

These tiny cell structures assemble protein molecules from amino acids.

a)

Carbohydrates

b)

Lipids

c)

Nucleic Acids

d)

Ribosomes

34.
What is the function of the lysosome?
a)
site of digestive enzymes
b)
site of ATP (energy) production
c)
site of photosynthesis
d)
site of protein production
35.
What is the function of the Golgi body?
a)
to control the activities within the cell
b)
to package and ship cellular materials
c)
to store water and nutrients 
d)
to control the materials that pass into and out of the cell
36.

What structure does this organism use for locomotion (movement)

a)
1, nucleus
b)
2, chloroplast
c)
3, vacuole
d)
4, flagella
37.

Match the organelle with its correct function.

a)
1.

Stores and Protects DNA

b)
2.

Builds Proteins

c)
3.

Generates energy for the cell

d)
4.

Controls what enters and leaves the cell

e)
5.

Packages up proteins to be shipped out of the cell

38.

Which organelle contains enzymes that degrade pathogens and worn-out organelles?

a)

Peroxisome

b)

Lysosome

c)

Golgi complex

d)

Smooth ER

39.

What is the function of the rough ER?

a)

Synthesize lipids and hormones

b)

Store calcium

c)

Detoxify substances

d)

Site of protein synthesis

40.

Where does oxidative catabolism of glucose/aerobic respiration take place?

a)

Nucleus

b)

Mitochondria

c)

Golgi apparatus

d)

Smooth ER

41.

What is the function of the Golgi apparatus?

a)

Package and modify proteins

b)

Store calcium

c)

Store DNA

d)

Produce hormones

42.

What is the a function of the smooth ER?

a)

Store sodium

b)

Synthesize protein

c)

Synthesize ATP

d)

Synthesize lipids

43.

Which organelle is found inside the nucleus and produces ribosomes

a)

Nucleolus

b)

Cell Membrane

c)

Lysosome

d)

Golgi Bodies

44.

Which organelle receives proteins and materials from the ER and packages them and distributes them?

a)

ribosomes

b)

lysosome

c)

nucleolus

d)

Golgi body

45.

network of proteins found within the cytoplasm

for support and structure in cell

a)

Cytoskeleton

b)

Mitochondria

c)

Cilia

d)

Ribosome

46.


Amidst the physiological demands of exercise, the energy requirements of muscle cells skyrocket. These cells must swiftly adapt to this heightened energy demand to maintain peak performance. Among the organelles within muscle cells, some undergo significant changes to ensure a more abundant energy supply.

Which of the following organelles prominently amplifies its activity in muscle cells during exercise, thus becoming the powerhouse for energy production?

a)

Mitochondria

b)

Ribosomes

c)

Nuclei

d)

Golgi Complex

47.

When frog eggs, sourced from a freshwater pond, find themselves immersed in a saltwater aquarium, the intricate interplay of osmotic forces comes into play. In this context, which physiological response is most likely to be observed within the frog eggs over time?

a)

Loss of water from the eggs

b)

Maintenance of equilibrium with no net water movement

c)

Outward diffusion of salt ions from the eggs

d)

. Rupturing of the eggs due to osmotic pressure differences

48.

The cell membrane of a red blood cell permits the passage of water, oxygen, carbon dioxide, and glucose while preventing the entry of most other substances. What term best describes this type of membrane?

a)

Selectively permeable

b)

Osmotically restrictive

c)

Semi-conductive

d)

Impermeable

49.

If these organelles are absent, the cell will be deprived of much-needed proteins. Which organelle is being described?

a)

Centrioles

b)

Cell Wall

c)

Ribosomes

d)

Golgi Complex

50.

Like a factory without a warehouse, a cell without this organelle will have difficulty distributing materials. Which organelle is being described?

a)

Golgi Complex

b)

Ribosomes

c)

Centrioles

d)

Lysosomes

51.

If the center of this large organelle fails, ribosomes cannot be produced. Which organelle is being described?

a)

Nucleus

b)

Cytoplasm

c)

Mitochondria

d)

Cell Wall

52.

Without this substance, organelles in the cell are unable to move around in the cell and less able to receive materials such as oxygen. Which organelle is being described?

a)

Chloroplast

b)

Cell Wall

c)

Cytoplasm

d)

Endoplasmic Reticulum

53.

Explain the consequences of a malfunctioning lysosome in a cell.

a)

The consequences of a malfunctioning lysosome in a cell include the accumulation of undigested materials, leading to cell damage, toxicity, and potentially cell death.

b)

Increased lysosomal function

c)

Decreased cell division

d)

Enhanced cell metabolism

54.

What role does the Golgi apparatus play in the cell, and how does its malfunction impact the cell?

a)

The Golgi apparatus stores genetic material in the cell, and its malfunction causes mutations in DNA.

b)

The Golgi apparatus regulates cell division, and its malfunction results in uncontrolled cell growth.

c)

The Golgi apparatus is responsible for energy production in the cell, and its malfunction leads to decreased ATP levels.

d)

The Golgi apparatus plays a crucial role in protein and lipid processing, sorting, and packaging within the cell. Its malfunction can disrupt cellular functions by causing improper distribution of these molecules.

55.

Describe the impact of a malfunctioning nucleus on the cell's genetic material.

a)

Improved protein synthesis

b)

Increased cell division rate

c)

The impact of a malfunctioning nucleus on the cell's genetic material includes errors in DNA replication, transcription, and repair processes, leading to mutations and chromosomal abnormalities.

d)

Enhanced DNA repair mechanisms

56.

How does a malfunction in the cell membrane affect the cell's ability to maintain homeostasis?

a)

Causes the cell membrane to become more rigid and impermeable, aiding in homeostasis.

b)

Disrupts selective permeability and impairs regulation of internal conditions, affecting homeostasis.

c)

Has no impact on selective permeability or regulation of internal conditions, maintaining homeostasis.

d)

Enhances selective permeability and improves regulation of internal conditions, promoting homeostasis.

57.

Discuss the consequences of a malfunctioning chloroplast in a plant cell.

a)

Complete cell death, wilting of leaves, and increased chlorophyll production.

b)

The consequences of a malfunctioning chloroplast in a plant cell include reduced photosynthesis, stunted growth, yellowing of leaves, and weakened overall health.

c)

No impact on plant health, normal growth, and unaffected photosynthesis.

d)

Increased photosynthesis, accelerated growth, greening of leaves, and enhanced overall health.

58.

Explain the importance of the vacuole in a plant cell and the effects of its malfunction.

a)

A malfunctioning vacuole in a plant cell leads to increased turgor pressure

b)

The vacuole in a plant cell is responsible for photosynthesis

c)

If the vacuole malfunctions, the plant cell will shrink in size

d)

The vacuole in a plant cell is crucial for maintaining turgor pressure, storing nutrients, and regulating cell size. If it malfunctions, the plant cell may experience wilting, reduced growth, and issues with nutrient storage and waste management.

59.

Describe the impact of a malfunctioning cytoskeleton on the cell's structure and function.

a)

Enhanced cell shape

b)

Improved cell division

c)

Facilitated intracellular transport

d)

The impact of a malfunctioning cytoskeleton on the cell's structure and function includes loss of cell shape, impaired cell division, disrupted intracellular transport, and compromised cell motility.

60.

The heart contains different types of tissue. What level of organization is the heart?

a)
cell
b)
organ system
c)
organ
d)
tissue
61.

The diffusion of water molecules through a selectively permeable membrane is:

a)

Homeostasis

b)

Osmosis

c)

Active Transport

d)

Equilibrium

62.

The movement of molecules from a place where there is a greater/higher concentration to an area where there is lesser/lower concentration is:

a)

Homeostasis

b)

Diffusion

c)

Endocytosis

d)

Active Transport

63.

A selectively permeable membrane

a)

allows all substances to enter and leave

b)

prevents all substances from entering or leaving

c)

allows certain size substances to enter and leave

d)

allows only waste materials to leave

64.

A solution in which the concentration of solutes is the same inside and outside of a cell is a _____________________ solution.

a)

hypertonic

b)

hypotonic

c)

isotonic

d)

homeotonic

65.

If a red blood cell is placed in a solution that has a concentration gradient higher than the red blood cell, this type of solution is called:

a)

Isotonic

b)

Hypotonic

c)

Hypertonic

d)

Homeotonic

66.

If a red blood cell is placed in a hypotonic solution, it will eventually

a)

shrink up

b)

swell and burst

c)

no change will occur

d)

swell and not burst

67.

As blood glucose levels increase, hormones are released to return glucose levels to normal. This is an example of

a)

a nervous system disorder

b)

the synthesis of antibodies

c)

a stimulus and a response

d)

an antigen and antibody reaction

68.

Which statement describes a failure of homeostasis in humans?

a)

When activity in an individual increases, the body temperature rises and the individual sweats.

b)

As the concentration of carbon dioxide increases in the human body, the lungs begin to expel more carbon dioxide.

c)

A viral infection leads to a decrease in the number of white blood cells being produced in the body.

d)

After an individual gets a cut, certain chemical changes begin the healing process.

69.

maintain stable internal environment

a)

receptor

b)

type 2 diabetes

c)

homeostasis

d)

insulin

70.

receives the message and coordinates a response

a)

control center

b)

effector

c)

glucagon

d)

homeostasis

71.

responds to the output from the control center

a)

control center

b)

receptor

c)

thermoregulation

d)

effector

72.

reverses the direction of change

a)

positive feedback

b)

effector

c)

hypothalamus

d)

negative feedback

73.

increases or speeds up original change

a)

negative feedback

b)

positive feedback

c)

endotherm

d)

ectotherm

74.

regulation of body temperature in the face of changes in the temperature of the environment

a)

blood glucose regulation

b)

thermoregulation

c)

homeostasis

d)

control center

75.
This picture represents what type of cell transport?
a)
endocytosis
b)
exocytosis
c)
osmosis
d)
passive transport
76.
Which is true about active transport?
a)
It requires energy
b)
it does not require energy
c)
It moves substances down the concentration gradient
d)
it moves material from high to low concentration
77.
The concentration of water is higher in the soil than in plant root cells. Water moves into root cells of a plant by...
a)
Facilitated Diffusion
b)
Simple Diffusion
c)
Active Transport
d)
Osmosis
78.
Molecules diffusing with the concentration gradient through a protein channel is...
a)
Facilitated Diffusion
b)
Simple Diffusion
c)
Active Transport
d)
Osmosis
79.
In a nerve cell, ATP energy is used to pump sodium (Na) out of the cell and potassium (K) into the cell. This is an example of...
a)
Facilitated Diffusion
b)
Simple Diffusion
c)
Active Transport
d)
Osmosis
80.
Food is moved into the cell by ________________________.
a)
endocytosis
b)
diffusion
c)
exocytosis
d)
osmosis
81.
The cell below is in a _________ solution.
a)
Hypotonic
b)
Hypertonic
c)
Isotonic
82.
The cell below is in a _____________ solution.
a)
Hypertonic
b)
Hypotonic
c)
Isotonic
83.
A cell in an isotonic solution will
a)
swell
b)
shrink
c)
stay the same size
d)
impossible to tell
84.
If the environment gets cold, we will often shiver in order to:
a)
keep body temperature the same as the external temperature
b)
decrease body temperature
c)
increase body temperature
d)
regulate blood pressure
85.
The "cause" for something to happen is the
a)
response
b)
effect
c)
stimulus
d)
homeostasis
86.
The "effect" of a given stimulus is the...
a)
response
b)
stimulus
c)
cause
d)
result
87.
What type of feedback loop is shown?
a)
negative
b)
neutral 
c)
positive
88.
Failure to maintain homeostasis could result in:
a)
lack of internal balance
b)
eventual death
c)
difficulty carrying on metabolism 
d)
all three
89.
When glucose levels in the blood rise, your brain sends a signal to your pancreas. The pancreas releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, lowering blood sugar levels. 
a)
Positive Feedback Response
b)
Negative Feedback Loop 
90.
When you get cut, your skin cells release hormones that signal platelets to come and stop the bleeding. Platelets then release more hormones that signal even more platelets to help stop bleeding. The hormone signals continue until the cut is closed.
a)
Positive Feedback Response
b)
Negative Feedback Loop 
91.
What is a substance called if it speeds up a chemical reaction?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
92.
With what 3 letters do enzymes typically end?
a)
-ose
b)
-ase
c)
-ese
d)
-tic
93.

With what 3 letters does sugar typically end?

a)
-ose
b)
-ase
c)
-ese
d)
-tic
94.

Enzymes are an example of

a)

Lipids

b)

Carbohydrate

c)

Protein

d)

Nucleic Acid

95.

Each enzyme only has 1 substrate that will fit its active site.  What is this called?

a)

reusable

b)

catalyst

c)

fragile

d)

specific

96.

Enzyme

a)

proteins that speed up chemical reactions

b)

Changing substances by breaking and forming bonds (includes hydrolysis and dehydration reactions)

c)

the capacity for doing work

d)

the energy needed to start a chemical reaction

97.

The solution surrounding the cell in Diagram B, would be defined as:

a)

hypertonic

b)

hypotonic

c)

isotonic

98.
What type of solution is this cell in?
a)
Isotonic
b)
Hypertonic
c)
Hypotonic
d)
diffused
99.

If the dots represent sugar what direction will the water flow?

a)

Into the cell

b)

Out of the cell

c)

Both equally (equilibrium)

100.

What will happen to the cell in the given solution?

a)

Swell up

b)

Shrink

c)

Stay the same

101.

After examining this diagram showing the concentration of water inside and outside of the cell, identify the tonicity of the solution.

a)

hypertonic

b)

hypotonic

c)

isotonic

102.
This picture represents what type of cell transport?
a)
endocytosis
b)
exocytosis
c)
osmosis
d)
passive transport
103.

Nemo and other ocean dwelling fish cannot survive in freshwater because......

a)

freshwater is hypertonic to Nemo's cells and will result in water leaving them causing the cells to shrink

b)

freshwater is hypotonic to Nemo's cells and will result in water leaving them causing the cells to shrink

c)

freshwater is hypertonic to Nemo's cells and will result in water entering them causing the cells to swell and burst

d)

freshwater is hypotonic to Nemo's cells and will result in water enter them causing the cells to swell and burst

104.
In this picture, which way will the water move?
a)
Water will move into the cell
b)
Water will move out of the cell
c)
Water will move in and out of the cell
d)
Water will not move
105.

Which molecule is in equilibrium? How can you tell?

a)

Molecule A; equal amounts inside and outside

b)

Molecule B; passive movement into the cell

c)

Molecule C; equal amounts inside and outside

d)

Molecule C; all molecules are inside the cell

106.
In this picture, how do you classify the solution?
a)
The solution is hypotonic
b)
The solution is hypertonic
c)
The solution is isotonic
d)
The solution is my tonic
107.

What is the difference between active and passive transport?

a)

Active is high to low; Passive is low to high

b)

Active uses no cell energy; Passive uses cell energy

c)

Passive is high to low and uses no energy; Active uses energy and is low to high

d)

Passive uses no cell energy

108.

Fill in the blank:

Osmosis is the movement of ________ across a cell membrane from high to low.

a)

Carbon dioxide

b)

Starch

c)

Water

d)

Oxygen

109.
The picture is an example of...
a)
active tranport
b)
passive transport
c)
diffusion
d)
osmosis
110.

What are the 3 questions you should ask yourself when working tonicity problem? ( Select ALL that apply)

a)

What will result from the movement  of water?

b)

Where is the solute higher at?

c)

Where is the water higher at?

d)

Does water move in or out or both at the same time?

e)

What is a solution?

111.

What answer choice is the type of solution that has an effect on the cells shown in the image?

a)

a hypotonic solution

b)

an isotonic solution

c)

a hypertonic solution

112.

Solution with a higher solute concentration…

a)

Hypertonic

b)

Hypotonic

c)

Isotonic

113.

Solution with a lower solute concentration…

a)

Hypertonic

b)

Hypotonic

c)

Isotonic

114.

Solution with a higher free water concentration…

a)

Hypertonic

b)

Hypotonic

c)

Isotonic

115.

If the intracellular concentration is 1.0 M and extracellular concentration is 0.4M. Which direction does water flow?

a)

Both in and out (equilibrium)

b)

Into the cell

c)

Out of the cell

116.

Extracellular solution is 0.5M and the cell is 1.0M – which direction will water flow?

a)

Into cell towards hypertonic solution

b)

Into cell towards hypotonic solution

c)

Out of cell toward hypertonic solution

d)

Out of cell toward hypotonic solution

117.

What are the types of passive transport? Select all that apply.

a)

Simple diffusion

b)

Facilitated diffusion

c)

Endocytosis

d)

Osmosis

e)

Protein pumps / carrier proteins

118.

What is ATP and what kind of transport uses it?

a)

Energy; passive transport

b)

Protein; simple diffusion

c)

Energy; active transport

d)

Protein; endocytosis

119.
The cells seem to be swelling and about to burst what type of solution are they most likely in?
a)
Hypertonic
b)
Isotonic
c)
Hypotonic
120.
The cells seem to be shriveled and dehydrated what type of solution are they most likely in?
a)
Hypertonic
b)
Isotonic
c)
Hypotonic
121.
The cells seem to be of normal size in what type of solution are the cells most likely in?
a)
Hypertonic
b)
Isotonic
c)
Hypotonic
122.

If ATP is being used, then molecules are moving from _____ to _____.

a)

High; low

b)

Low; high

c)

Active; passive

d)

Passive; active

123.
a)
Passive Transport
b)
Active Transport
124.

Match the following

a)

Movement of molecules from High to Low. It moves without assistance through the membrane.

1.

Diffusion

b)

Movement of molecules across a plasma membrane by means of Protein Channel.

2.

Facilitated Diffusion

c)

Movement of Water from High to Low Concentration across a semi-permeable membrane.

3.

Osmosis

d)

Type of transport that does not require energy to move substances across cell membranes.

4.

Passive Transport

125.

What will happen to the RBC (0.9 NaCl concentration) if it was subjected to 0.4 NaCl solution?

a)

Lysis

b)

Crenation

c)

Nothing will happen

126.
What type of transport is this?
a)
Endocytosis
b)
Facilitated Diffusion
c)
Active Transport Pump
d)
Osmosis
127.
What type of transport is this?
a)
Diffusion
b)
Osmosis
c)
Facilitated Diffusion
d)
Active Transport
128.
The roots of a plant contain a high concentration of minerals and the soil contains a lower concentration.  The roots absorb minerals from the soil.  This is an example of
a)
passive transport.
b)
active transport.
c)
diffusion
d)
osmosis
129.
What is the importance of the cell's environment on its survival?
a)
It determines the color of the cell
b)
It has no impact on the cell
c)
It affects the movement of water across the cell membrane
d)
It only affects plant cells
130.
What is a solute?
a)
A substance that is selectively permeable
b)
A substance that is smaller than a solvent molecule
c)
A substance that cannot be dissolved in a solvent
d)
A substance that can be dissolved in a solvent like water
131.
What is the movement of molecules down their concentration gradients called?
a)
Facilitated diffusion
b)
Diffusion
c)
Active transport
d)
Osmosis
132.
What happens to red blood cells placed in a hypotonic solution?
a)
They remain unchanged
b)
They shrink due to water loss
c)
They multiply rapidly
d)
They burst due to excessive water entry