Is found in animal membranes only, Helps maintain membrane fluidity

You put potatoes in 3 solutions (water, 0.5M, and 1.0M. What is true?

Potato should gain the most weight in water

In what ways do the membranes of the Eukaryotic cell vary?

certain proteins are unique to each membrane, The inner and outer portions of the membrane are different

Water pass quickly through cell membranes because:

it moves through aquaporins in the membrane

which of the following functional processes is not a result of proteins in the membrane?

maintaining fluidity of membrane

diffusion of water across a selective membrane

Which of the following is NOT a function of cell membranes?

Kills viruses and bacteria on contact

What is concentration?

amount of things in a given area

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Combined: Cell Membranes & Cell Transport + Cell Membranes!! + AP Biology - Cell Membranes &...

89 termsStudBud Administration59 plays

Cell Membranes & Cell Transport: Covers the basics about cell membranes and cell transport. Made for grade 10 Biology. #biology #cellmembranes #celltransport Cell Membranes!!: cell membrane review AP Biology - Cell Membranes & Transport: cell membrane. This is meant to be revie

Flashcards89 cardsFPractice quizPHost liveL

Questions 89

Answers

1
Which of these are the major structural components of all cell membranes?
phospholipids and cholesterol
Proteins and cholesterol
phospholipids and proteins
proteins and oligosaccharides
2
Water leaves, cell shrinks; higher solute concentration outside cell than inside = ? solution
hypertonic
hydroponic
isotonic
hypotonic
3
Which of these cells is in an environment that is too watery?
A
B
C
4
Which term best describes structure B?
Phospholipid Bilayer
Head
Tail
Phospholipid
5
Which of the following terms BEST describes the movement of water across a cell membrane?
Active Transport
Diffusion
Osmosis
Passive Transport
6
Which phrase best describes the fact that cell membranes only allow certain substances across?
Passive Transport
Osmosis
Phospholipid Bilayer
Selectively Permeable
7
What phrase best describes the structure of a cell membrane?
Phospholipid bilayer
Protein monolayer
Carbohydrate tetralayer
Water trilayer
8
What kind of solution is the red blood cell on the left in?
hypotonic
hydroponic
hypertonic
isotonic
9
Which of the following can easily travel right through a cell membrane?
glucose
ion-
oxygen
ion+
10
What is the pressure potential for water in an open container?
0 bars
1 bar
-1 bar
1 atm
11
Cholesterol:
Helps carry molecules by facilitated diffusion
Is found in plant membranes only
Is found in animal membranes only
Helps maintain membrane fluidity
12
You put potatoes in 3 solutions (water, 0.5M, and 1.0M. What is true?
Potato should gain the most weight in water
Potato will be isotonic to the 0.5M solution
Potato will lose weight in all 3 solutions
Potato should lose the most weight in water
13
In what ways do the membranes of the Eukaryotic cell vary?
certain proteins are unique to each membrane
phospholipids are found only in certain membranes
only certain membranes of the cell are permeable
The inner and outer portions of the membrane are different
14
Which molecules make up the basis of a cell membrane?
proteins
sugars
water
phospholipids
15
Requires energy; materials enter pockets in cell membrane, then forms vacuole in cytoplasm = ?
phagocytosis
exocytosis
pinocytosis
endocytosis
16
Which term best describes structure D?
Phospholipid Bilayer
Phospholipid
Hydrophilic
Hydrophobic
17
My goal on the test tomorrow is to get a(n)
A
A
A
A
18
Which term best describes structure A?
Tail
Phospholipid
Head
Phospholipid Bilayer
19
What is structure "D"?
cholesterol
a phospholipid
a protein
a glucose molecule
20
Movement of particles from an area of high concentration to an area of lower concentration is:
diffusion
equilibrium
endocytosis
osmosis
21
Passive transport
moves particles against a concentration gradient.
moves particles from a high to a low concentration.
doesn't require energy.
requires energy.
22
Which membrane structure is the arrow pointing to?
phospholipid bilayer
carbohydrate marker
cholesterol
protein
23
The stuff that is dissolved is the _________.
solute
suspension
solution
solvent
24
Which of the following is the best translation of the term hydrophobic?
"Water-cutting"
"Water-loving"
"Water-dissolving"
"Water-fearing"
25
What kind of solution is the red blood cell in the middle in?
hydroponic
hypotonic
hypertonic
isotonic
26
having a lower concentration of solutes in a solution makes it __________________.
osmotonic
isotonic
hypotonic
hypertonic
27
Calculate solute potential (Ψ_s) for the McIntosh if the temp was 30^oC? (solute = sucrose)
-0.75 bars
-7.6 bars
-503 bars
-75.5 bars
28
Which of the following human red blood cells is most likely in an isotonic environment?
C
A
B
29
Which phrase best describes structure D?
"Water-dissolving"
"Water-fearing"
"Water-loving"
"Water-cutting"
30
Water pass quickly through cell membranes because:
It is small enough to leak between the phospholipids
it is carried by active transport
it moves through aquaporins in the membrane
it moves through hydrophobic channels
31
When a plant cell is submerged in a very hypotonic solution. What is likely to occur?
the cell will become turgid
plasmolysis will shrink the interior
The cell will burst
The cell membrane will lyse
32
An outside solution of 0.4M would be -- to the McIntosh (blue line) apples
Hypotonic
Isotonic
Hypertonic
33
Which of these cells is in an environment that is too salty?
A
C
B
34
which of the following functional processes is not a result of proteins in the membrane?
enzymic activity
cell-to-cell recognition
intercellular joining
maintaining fluidity of membrane
35
Which of the following is the best translation of the term hydrophilic?
"Water-dissolving"
"Water-cutting"
"Water-fearing"
"Water-loving"
36
The basic structure of the cell membrane is
a phospholipid bilayer.
impermeable.
a liquid bilayer.
made of proteins.
37
"A" is
a hydrophilic phosphate "head"
a protein
cholesterol
a hydrophobic fatty acid "tail"
38
Which of these cells is in an environment that is just right?
B
A
C
39
Which of the following human red blood cells is most likely in a hypotonic environment?
C
A
B
40
Osmosis is:
movement of water from a hypertonic to hypotonic solution
movement of water through protein carriers
diffusion of water across a selective membrane
active transport of water
41
Which of the following processes includes all others?
facilitated diffusion
passive transport
diffusion of a solute across a membrane
osmosis
42
In the scenario, what term would describe the extracellular solution?
none of the above
hypotonic
isotonic
hypertonic
43
Which type of molecule helps other molecules get into the cell?
DNA
Water
Sugars
Proteins
44
active transport uses...
carrier proteins (or pumps)
channel proteins
water
phospholipids
45
Allowing some substances to enter, while keeping others out is called...
phospholipid bilayer
channel proteins
homeostasis
selective permeability
46
Which of the following is NOT a function of cell membranes?
Kills viruses and bacteria on contact
Protects the contents of the cell
Keeps cells from dissolving in water
Only allows certain materials in or out
47
What is happening to cell B?
It is swelling up and might explode.
It is shriveling up.
It is normal and healthy.
48
Another name for the cell membrane is
the nuclear membrane
the cell wall
the plasma membrane
the endocytic barrier
49
__________ is the diffusion of water through a semipermeable membrane.
exocytosis
active transport
facilitated diffusion
osmosis
50
What is concentration?
the amount of mass something has
the density of a substance
amount of things in a given area
the weight of a substance
51
In the U-Tube diagram , if the membrane is permeable to only water, which way will it go?
Equally in both directions
Toward side A
Toward side B
52
Which membrane structure is the arrow pointing to?
cholesterol
phospholipid bilayer
carbohydrate marker
protein
53
A cell is in a ____solution when: size doesn't change; water goes in and out at the same rate
hypertonic
isotonic
hydroponic
hypotonic
54
Requires energy; vacuole fuses with membrane, contents forced out of cell = ?
exocytosis
endocytosis
phagocytosis
pinocytosis
55
The type of movement requires no energy
diffusion
active transport
endocytosis
pinocytosis
56
Bags were placed in a 0.5M solution. Which bag was the most hypertonic at the beginning?
A
C
They were equal at the beginning
E
57
As molarity increases, if temperature stays the same, solute potential will: (-iCRT)
Get closer and closer to 0 bars
Is completely unpredictable
Be a higher number
Be a more negative number
58
The primary function of the cell membrane is
cell signaling.
to control what moves in and out of the cell.
to provide support for the cell.
to protect the cell
59
In the following scenario, which net direction would water move?
equally in both directions
out of the cell
water would not move
into the cell
60
Bags were placed in a 0.5M solution. Which bag(s) was/were isotonic to the solution at the end?
C only
None of them
A, C, and E
B & D
61
The structures shown are...
carbohydrates
proteins
cholesterol
phospholipids
62
What happens to a cell in a hypertonic solution?
Loses water
swells
loses water and lyses
lyses
63
Which phrase best describes structure C?
"Water-dissolving"
"Water-fearing"
"Water-cutting"
"Water-loving"
64
What kind of transport doesn't require the use of energy to move materials across the membrane?
diffusion
all of these don't require the cell to use energy
facilitated diffusion
osmosis
65
What kind of solution is the red blood cell on the right in?
hypotonic
hydroponic
isotonic
hypertonic
66
The stuff that does the dissolving is the __________.
suspension
solution
solute
solvent
67
What molecules are imbedded in the bilayer?
proteins
glucose
ribosomes
nucleic acids
68
What membrane structure is the arrow pointing to?
phospholipid bilayer
carbohydrate marker
cholesterol
protein
69
Which of the following is moved by facilitated diffusion
carbon dioxide
glucose
Na+
oxygen
70
What is the voltage across a membrane called?
active transport
membrane potential
electro-chemical gradient
proton gradient
71
What is happening to cell A?
It is swelling up and might explode.
It is normal and healthy.
It is shriveling up.
72
Equilibrium is reached
when movement of particles stops.
at the end of active transport.
only during passive transport.
when particles are evenly distributed through the space.
73
Peripheral/Extrinsic Proteins are:
completely within the membrane
synonymous to transmembrane proteins
bound to the surface of the membrane
found in the nucleus
74
Water enters, cell swells; lower solute concentration outside the cell than inside = __solution
hypotonic
hydroponic
hypertonic
isotonic
75
Which term best describes structure D?
Tail
Head
Phospholipid
Phospholipid Bilayer
76
Which term best describes structure C?
Hydrophobic
Phospholipid
Hydrophilic
Phospholipid Bilayer
77
Which term best describes structure C?
Phospholipid Bilayer
Phospholipid
Tail
Head
78
Which of the following would require the cell to spend energy to move materials into the cell?
Osmosis
Passive Transport
Diffusion
Active Transport
79
Active transport
all of the answers are correct
moves materials against a concentration gradient
requires energy
is usually done by transport proteins in the cell membrane
80
What kinds of molecules pass through a cell membrane most easily?
large and hydrophobic
small and hydrophobic
small and hydrophilic
large and hydrophilic
81
active transport moves molecules from _______ to ________ concentration.
low, high
none of the above
high, low
equal, equal
82
Potatoes weigh 5.5g before and 4.0g after. What is the % change?
27%
-37.5%
-27%
37.5%
83
According to the fluid mosaic model of the membrane structure,
the hydrophobic tails of the phospholipids face each other
the hydrophilic heads of the phosopholipids face each other
phospholipids are locked in place in the membrane
phospholipids tend to flip-flop from outside to inside
84
Phagocytosis can be considered a type of:
passive transport
endocytosis
electrogenic pump
bulk transport
85
Which of the following is most likely to passively diffuse across the phospholipid bilayer?
carbon dioxide
sodium ion
glucose
DNA
86
What is happening to cell C?
It is shriveling up.
It is swelling up and might explode.
It is normal and healthy.
87
How many layers of phospholipid molecules make up a cell membrane?
3
2
1
4
88
Which of the following human red blood cells is most likely in a hypertonic environment?
A
B
C
89
Which of these is selectively permeable?
all of these are selectively permeable
a cell membrane
a window screen
a strainer

Combined: Cell Membranes & Cell Transport + Cell Membranes!! + AP Biology - Cell Membranes &... Flashcards | StudBud

Combined: Cell Membranes & Cell Transport + Cell Membranes!! + AP Biology - Cell Membranes &...

89 termsStudBud Administration59 plays

Flashcards89 cardsFPractice quizPHost liveL

Questions 89

Answers

1
Which of these are the major structural components of all cell membranes?
phospholipids and cholesterol
Proteins and cholesterol
phospholipids and proteins
proteins and oligosaccharides
2
Water leaves, cell shrinks; higher solute concentration outside cell than inside = ? solution
hypertonic
hydroponic
isotonic
hypotonic
3
Which of these cells is in an environment that is too watery?
A
B
C
4
Which term best describes structure B?
Phospholipid Bilayer
Head
Tail
Phospholipid
5
Which of the following terms BEST describes the movement of water across a cell membrane?
Active Transport
Diffusion
Osmosis
Passive Transport
6
Which phrase best describes the fact that cell membranes only allow certain substances across?
Passive Transport
Osmosis
Phospholipid Bilayer
Selectively Permeable
7
What phrase best describes the structure of a cell membrane?
Phospholipid bilayer
Protein monolayer
Carbohydrate tetralayer
Water trilayer
8
What kind of solution is the red blood cell on the left in?
hypotonic
hydroponic
hypertonic
isotonic
9
Which of the following can easily travel right through a cell membrane?
glucose
ion-
oxygen
ion+
10
What is the pressure potential for water in an open container?
0 bars
1 bar
-1 bar
1 atm
11
Cholesterol:
Helps carry molecules by facilitated diffusion
Is found in plant membranes only
Is found in animal membranes only
Helps maintain membrane fluidity
12
You put potatoes in 3 solutions (water, 0.5M, and 1.0M. What is true?
Potato should gain the most weight in water
Potato will be isotonic to the 0.5M solution
Potato will lose weight in all 3 solutions
Potato should lose the most weight in water
13
In what ways do the membranes of the Eukaryotic cell vary?
certain proteins are unique to each membrane
phospholipids are found only in certain membranes
only certain membranes of the cell are permeable
The inner and outer portions of the membrane are different
14
Which molecules make up the basis of a cell membrane?
proteins
sugars
water
phospholipids
15
Requires energy; materials enter pockets in cell membrane, then forms vacuole in cytoplasm = ?
phagocytosis
exocytosis
pinocytosis
endocytosis
16
Which term best describes structure D?
Phospholipid Bilayer
Phospholipid
Hydrophilic
Hydrophobic
17
My goal on the test tomorrow is to get a(n)
A
A
A
A
18
Which term best describes structure A?
Tail
Phospholipid
Head
Phospholipid Bilayer
19
What is structure "D"?
cholesterol
a phospholipid
a protein
a glucose molecule
20
Movement of particles from an area of high concentration to an area of lower concentration is:
diffusion
equilibrium
endocytosis
osmosis
21
Passive transport
moves particles against a concentration gradient.
moves particles from a high to a low concentration.
doesn't require energy.
requires energy.
22
Which membrane structure is the arrow pointing to?
phospholipid bilayer
carbohydrate marker
cholesterol
protein
23
The stuff that is dissolved is the _________.
solute
suspension
solution
solvent
24
Which of the following is the best translation of the term hydrophobic?
"Water-cutting"
"Water-loving"
"Water-dissolving"
"Water-fearing"
25
What kind of solution is the red blood cell in the middle in?
hydroponic
hypotonic
hypertonic
isotonic
26
having a lower concentration of solutes in a solution makes it __________________.
osmotonic
isotonic
hypotonic
hypertonic
27
Calculate solute potential (Ψ_s) for the McIntosh if the temp was 30^oC? (solute = sucrose)
-0.75 bars
-7.6 bars
-503 bars
-75.5 bars
28
Which of the following human red blood cells is most likely in an isotonic environment?
C
A
B
29
Which phrase best describes structure D?
"Water-dissolving"
"Water-fearing"
"Water-loving"
"Water-cutting"
30
Water pass quickly through cell membranes because:
It is small enough to leak between the phospholipids
it is carried by active transport
it moves through aquaporins in the membrane
it moves through hydrophobic channels
31
When a plant cell is submerged in a very hypotonic solution. What is likely to occur?
the cell will become turgid
plasmolysis will shrink the interior
The cell will burst
The cell membrane will lyse
32
An outside solution of 0.4M would be -- to the McIntosh (blue line) apples
Hypotonic
Isotonic
Hypertonic
33
Which of these cells is in an environment that is too salty?
A
C
B
34
which of the following functional processes is not a result of proteins in the membrane?
enzymic activity
cell-to-cell recognition
intercellular joining
maintaining fluidity of membrane
35
Which of the following is the best translation of the term hydrophilic?
"Water-dissolving"
"Water-cutting"
"Water-fearing"
"Water-loving"
36
The basic structure of the cell membrane is
a phospholipid bilayer.
impermeable.
a liquid bilayer.
made of proteins.
37
"A" is
a hydrophilic phosphate "head"
a protein
cholesterol
a hydrophobic fatty acid "tail"
38
Which of these cells is in an environment that is just right?
B
A
C
39
Which of the following human red blood cells is most likely in a hypotonic environment?
C
A
B
40
Osmosis is:
movement of water from a hypertonic to hypotonic solution
movement of water through protein carriers
diffusion of water across a selective membrane
active transport of water
41
Which of the following processes includes all others?
facilitated diffusion
passive transport
diffusion of a solute across a membrane
osmosis
42
In the scenario, what term would describe the extracellular solution?
none of the above
hypotonic
isotonic
hypertonic
43
Which type of molecule helps other molecules get into the cell?
DNA
Water
Sugars
Proteins
44
active transport uses...
carrier proteins (or pumps)
channel proteins
water
phospholipids
45
Allowing some substances to enter, while keeping others out is called...
phospholipid bilayer
channel proteins
homeostasis
selective permeability
46
Which of the following is NOT a function of cell membranes?
Kills viruses and bacteria on contact
Protects the contents of the cell
Keeps cells from dissolving in water
Only allows certain materials in or out
47
What is happening to cell B?
It is swelling up and might explode.
It is shriveling up.
It is normal and healthy.
48
Another name for the cell membrane is
the nuclear membrane
the cell wall
the plasma membrane
the endocytic barrier
49
__________ is the diffusion of water through a semipermeable membrane.
exocytosis
active transport
facilitated diffusion
osmosis
50
What is concentration?
the amount of mass something has
the density of a substance
amount of things in a given area
the weight of a substance
51
In the U-Tube diagram , if the membrane is permeable to only water, which way will it go?
Equally in both directions
Toward side A
Toward side B
52
Which membrane structure is the arrow pointing to?
cholesterol
phospholipid bilayer
carbohydrate marker
protein
53
A cell is in a ____solution when: size doesn't change; water goes in and out at the same rate
hypertonic
isotonic
hydroponic
hypotonic
54
Requires energy; vacuole fuses with membrane, contents forced out of cell = ?
exocytosis
endocytosis
phagocytosis
pinocytosis
55
The type of movement requires no energy
diffusion
active transport
endocytosis
pinocytosis
56
Bags were placed in a 0.5M solution. Which bag was the most hypertonic at the beginning?
A
C
They were equal at the beginning
E
57
As molarity increases, if temperature stays the same, solute potential will: (-iCRT)
Get closer and closer to 0 bars
Is completely unpredictable
Be a higher number
Be a more negative number
58
The primary function of the cell membrane is
cell signaling.
to control what moves in and out of the cell.
to provide support for the cell.
to protect the cell
59
In the following scenario, which net direction would water move?
equally in both directions
out of the cell
water would not move
into the cell
60
Bags were placed in a 0.5M solution. Which bag(s) was/were isotonic to the solution at the end?
C only
None of them
A, C, and E
B & D
61
The structures shown are...
carbohydrates
proteins
cholesterol
phospholipids
62
What happens to a cell in a hypertonic solution?
Loses water
swells
loses water and lyses
lyses
63
Which phrase best describes structure C?
"Water-dissolving"
"Water-fearing"
"Water-cutting"
"Water-loving"
64
What kind of transport doesn't require the use of energy to move materials across the membrane?
diffusion
all of these don't require the cell to use energy
facilitated diffusion
osmosis
65
What kind of solution is the red blood cell on the right in?
hypotonic
hydroponic
isotonic
hypertonic
66
The stuff that does the dissolving is the __________.
suspension
solution
solute
solvent
67
What molecules are imbedded in the bilayer?
proteins
glucose
ribosomes
nucleic acids
68
What membrane structure is the arrow pointing to?
phospholipid bilayer
carbohydrate marker
cholesterol
protein
69
Which of the following is moved by facilitated diffusion
carbon dioxide
glucose
Na+
oxygen
70
What is the voltage across a membrane called?
active transport
membrane potential
electro-chemical gradient
proton gradient
71
What is happening to cell A?
It is swelling up and might explode.
It is normal and healthy.
It is shriveling up.
72
Equilibrium is reached
when movement of particles stops.
at the end of active transport.
only during passive transport.
when particles are evenly distributed through the space.
73
Peripheral/Extrinsic Proteins are:
completely within the membrane
synonymous to transmembrane proteins
bound to the surface of the membrane
found in the nucleus
74
Water enters, cell swells; lower solute concentration outside the cell than inside = __solution
hypotonic
hydroponic
hypertonic
isotonic
75
Which term best describes structure D?
Tail
Head
Phospholipid
Phospholipid Bilayer
76
Which term best describes structure C?
Hydrophobic
Phospholipid
Hydrophilic
Phospholipid Bilayer
77
Which term best describes structure C?
Phospholipid Bilayer
Phospholipid
Tail
Head
78
Which of the following would require the cell to spend energy to move materials into the cell?
Osmosis
Passive Transport
Diffusion
Active Transport
79
Active transport
all of the answers are correct
moves materials against a concentration gradient
requires energy
is usually done by transport proteins in the cell membrane
80
What kinds of molecules pass through a cell membrane most easily?
large and hydrophobic
small and hydrophobic
small and hydrophilic
large and hydrophilic
81
active transport moves molecules from _______ to ________ concentration.
low, high
none of the above
high, low
equal, equal
82
Potatoes weigh 5.5g before and 4.0g after. What is the % change?
27%
-37.5%
-27%
37.5%
83
According to the fluid mosaic model of the membrane structure,
the hydrophobic tails of the phospholipids face each other
the hydrophilic heads of the phosopholipids face each other
phospholipids are locked in place in the membrane
phospholipids tend to flip-flop from outside to inside
84
Phagocytosis can be considered a type of:
passive transport
endocytosis
electrogenic pump
bulk transport
85
Which of the following is most likely to passively diffuse across the phospholipid bilayer?
carbon dioxide
sodium ion
glucose
DNA
86
What is happening to cell C?
It is shriveling up.
It is swelling up and might explode.
It is normal and healthy.
87
How many layers of phospholipid molecules make up a cell membrane?
3
2
1
4
88
Which of the following human red blood cells is most likely in a hypertonic environment?
A
B
C
89
Which of these is selectively permeable?
all of these are selectively permeable
a cell membrane
a window screen
a strainer