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WorksheetsBiology III. Cell Transport and Cell Membrane
Total questions: 130
Worksheet time: 1hrs 5mins
What do you call to the movement of water across a membrane?
Diffusion
Endocytosis
Exocytosis
Osmosis
Which of the following process moves molecules using cellular energy?
Diffusion
Facilitated diffusion
Osmosis
Pinocytosis
When an animal cell put in a hypotonic environment, what would happen to the cell?
An animal cell will swell
An animal cell will shrink
An animal cell will secrete enzymes
An animal cell will remain unchanged
When cells take in food particles through active transport, is it called as _________.
Exocytosis
Osmosis
Phagocytosis
Pinocytosis
When cells form a vesicle to take in materials, which form of transport is occurring?
A. Endocytosis
B. Exocytosis
C. Facilitated diffusion
D. Osmosis
In which solution will water move into and out of the cell at the same rate?
Hypertonic
Hypotonic
Isotonic
Plasmolysis
Which of the following transport processes moves the molecules against a concentration gradient?
Active transport
Diffusion
Facilitated diffusion
Osmosis
What type of cell transport is illustrated above?
Diffusion
Endocytosis and Exocytosis
Facilitated Diffusion
Osmosis
Due to higher concentration of oxygen in the air than your blood, oxygen goes from the lungs into the red blood cells by ___________.
Active transport
Diffusion
Facilitated diffusion
Osmosis
Cell drinking process is known as ______________.
Phagocytosis
Pinocytosis
Exocytosis
All of the above
Glycocalyx is a loose protein coat surrounding the cell which helps is attachment and immune response.
True
False
_____ types of proteins are fixed inside the cell membrane?
Peripheral protein
Integral protein
Both
None of the above
Aquaporins are examples of ____ proteins?
Channel protein
Carrier protein
None of the above
All of the above
Sodium is present in more concentration in the _____?
ECF
ICF
Equal in both ECF and ICF
Not present anywhere
Facilitated diffusion requires ATP.
True
False
Rate of diffusion is directly proportional to lipid solubility.
True
False
A process that facilitates movement of molecules along the concentration gradient without utilizing energy.
Active Transport
Passive Transport
Potassium is present in more concentration in the _____?
ECF
ICF
Rate of diffusion depends on the number and size of the openings through the cell membrane.
True
False
The movement of water molecules through a semi permeable membrane from an area of high water concentration to an area of lower water concentration.
Osmosis
Active transport
Co-transport
Counter-transport
active transport
What do you call to the movement of water across a membrane?
Diffusion
Endocytosis
Exocytosis
Osmosis
Which of the following process moves molecules using cellular energy?
Diffusion
Facilitated diffusion
Osmosis
Pinocytosis
When an animal cell put in a hypotonic environment, what would happen to the cell?
An animal cell will swell
An animal cell will shrink
An animal cell will secrete enzymes
An animal cell will remain unchanged
When cells take in food particles through active transport, is it called as _________.
Exocytosis
Osmosis
Phagocytosis
Pinocytosis
When cells form a vesicle to take in materials, which form of transport is occurring?
A. Endocytosis
B. Exocytosis
C. Facilitated diffusion
D. Osmosis
In which solution will water move into and out of the cell at the same rate?
Hypertonic
Hypotonic
Isotonic
Plasmolysis
Which of the following transport processes moves the molecules against a concentration gradient?
Active transport
Diffusion
Facilitated diffusion
Osmosis
What type of cell transport is illustrated above?
Diffusion
Endocytosis and Exocytosis
Facilitated Diffusion
Osmosis
Due to higher concentration of oxygen in the air than your blood, oxygen goes from the lungs into the red blood cells by ___________.
Active transport
Diffusion
Facilitated diffusion
Osmosis
Cell drinking process is known as ______________.
Phagocytosis
Pinocytosis
Exocytosis
All of the above
When a cell forms a vesicle around unwanted particles and expels it OUT of the cell.
Pinocytosis
Endocytosis
Receptor-mediated
Exocytosis
Which type of active transport uses a vesicle to allow a large molecule to exit the cell?
Endocytosis
Exocytosis
Which type of active transport is displayed?
Endocytosis
Exocytosis
Which plasma membrane component can either be found on it surface or embedded in the membrane structure?
protein
cholesterol
carbohydrate
phospholipid
Water moves via osmosis ______________________.
through cytoplasm
from an area with low concentration of water to an area of high concentration
from an area with high concentration of water to an area of low concentration
from an area with a high concentration of other solutes to a lower one
The principal force driving movement in diffusion is the ___________.
temperature
particle size
concentration gradient
membrane surface area
How does the sodium-potassium pump make the interior of the cell negatively charged?
by expelling anions
by pulling in anions
by expelling more cations than are taken in
by taking in and expelling an equal number of cations
What happens to the membrane of a vesicle after exocytosis?
It leaves the cell.
It is disassembled by the cell.
It fuses with and become part of the plasma membrane.
It is used again in another exocytosis event.
Which transport mechanism can bring the whole cells into a cell?
pinocytosis
phagocytosis
facilitated transport
primary active transport
In what important way does receptor-mediated endocytosis differ from phagocytosis?
It transports only small amounts of fluid.
It does not involve the pinching off of membrane.
It brings in only a specifically targeted substance.
It brings substances into the cell, while phagocytosis removes substances.
It is an osmotic concentration of solution where solute is higher on the inside than the outside.
hypertonic
hypotonic
isotonic
Plants maintain osmotic balance by pushing the cell membrane against the cell wall and keep the cell rigid. This mechanism is called ________________.
extrusion
isosmotic regulation
turgor pressure
These carrier proteins move one molecule at a time.
uniporters
symporters
antiporters
Which characteristic of a phospholipid contributes to the rigidity of the membrane?
its head
cholesterol
saturated fatty acid tail
double bonds in the fatty acid tail
Carbohydrates are present on the exterior surface of the plasma membrane. What do you call a carbohydrate attached to a protein? USE CAPITAL LETTERS.
(a)
These proteins are integrated completely into the membrane structure. USE CAPITAL LETTERS ONLY.
(a)
These proteins are found on the exterior and interior surfaces of membranes (attached either to integral proteins or to phospholipids). USE CAPITAL LETTERS ONLY.
(a)
It is a type of transport mechanism where molecules move through the membrane and no energy is required from the cell. USE CAPITAL LETTERS ONLY.
(a)
It is an active transport antiport mechanism. USE CAPITAL LETTERS.
(a)
These are channel proteins that allow water to pass through the membrane at a very high rate. USE CAPITAL LETTERS.
(a)
Which of these are the components of cellular membranes? CHECK ALL THE POSSIBLE ANSWER.
phospholipid bilayer
transmembrane proteins
interior protein network
cell surface markers
Which of these constitutes the phospholipid bilayer? CHECK ALL THE POSSIBLE ANSWERS.
glycerol
fatty acids
phosphate groups
enzymes
Which are the functions of the membrane proteins? CHECK ALL THE POSSIBLE ANSWERS.
transporters
enzymes
attachment to the cytoskeleton
cell surface receptors
extrusion
What molecule is pictured?
Integral Protein
Carbohydrate chain
Phospholipid
What molecule is pictured?
Integral Protein
Carbohydrate chain
Phospholipid
kittens
when some molecules can cross the membrane while others cannot.
What type of solution is a cell in when it gets bigger than normal while in tap water?
hypertonic
isotonic
hypotonic
What type of solution is a cell in when it shrinks while in salt water?
hypertonic
isotonic
hypotonic
This regulates the movement of molecules from one side of the membrane to the other.
cell membrane
equilibrium
passive transport
diffusion
This has above strength and higher concentration outside than inside the cell. Water moves out.
hypotonic
isotonic
hypertonic
This has below strength and lower concentration outside than inside the cell. Water moves in.
hypotonic
isotonic
hypertonic
The ability to allow only certain molecules into or out of the cell is called __________.
Unpermeable
Selectively permeable or semipermeable
Impermeable
Permeable
The following are functions of the cell membrane, except
Breaks down waste and other compounds.
Regulates the passage of compounds in and out of the cell.
Allows cells to communicate and interact with other cells.
Protects the cell from its environment.
A phospholipid has two parts. What are they called?
Hydrophilic head, Hydrophobic tail
Hydrophobic head, Hydrophilic tail
The image represents the fluid mosaic model. Which of the following best describes the fluid mosaic model?
The cell membrane is constantly moving, bendable and has various proteins embedded in it.
The cell membrane components are stuck in place. It is critical to get the placement right.
The cell membrane is not flexible at all and cannot expand.
The cell membrane allows fluids with sodium to pass through easily.
_____________ is the free movement of particles or molecules across the membrane to spread out evenly into the available space.
diffusion
facilitated diffusion
active transport
fusion
The general name for movement of substances across cell membranes without need of energy input.
passive transport
active transport
Some cells move large particles out of the cell through the process of:
Protein Synthesis
Endocytosis
Exocytosis
Cytoplasmic Streaming
A ______________ is composed of a phosphate and glycerol head and 2 fatty acid chain tails.
cholesterol
glycoprotein
phospholipid
glucose
What does amphipathic means?
contains water-loving and water-fearing parts
contains various proteins embedded to it
contains semipermeable membrane
contains sodium and potassium molecules
What term is used to describe the ability of a surrounding solution to cause a cell to gain or lose water?
Hypertonic
Hypotonic
Equilibrium
Tonicity
How are osmosis and diffusion similar processes?
both move low to high concentrations
both move solute molecules
both move high to low concentrations
both move water molecules
What happens to an animal cell when it is placed in HYPERTONIC solution?
cell swells and bursts
shrinks from water loss
nothing happens
solute moves in and out
A cell containing 80% water and 20% solute, and a solution containing 60% water and 40% solute. What type of solution is this?
hypertonic
isotonic
equilibrium
hypotonic
Plant cells will become turgid when placed in this type of solution.
hypertonic
isotonic
equilibrium
hypotonic
What is the difference between active and passive transport?
cells only do active when they move
only cells with mitochondria carry out active transport
active transport require ATP, passive transport does not
eukaryotes do active transport, prokaryotes do passive transport
For 5 points:
In your own words, explain briefly what happens to a cell with 70% water when it is immersed in a 30% water 70% salt solution.
