Question 1

Selectively controls the movement of material in and out of the cell

Accepted Answer

Semipermeable membrane

Answer

Mitochondria

Answer

Cholesterol barrier

Answer

Glycoprotein bilayer

Question 2

A barrier surrounding cells and comprised of hydrophobic lipid tails between hydrophilic heads.

Accepted Answer

Phospholipid bilayer

Answer

Cholesterol barrier

Answer

Mitochondria

Answer

Glycoprotein layer

Question 3

Aid in moving larger molecules in and out of the cell

Accepted Answer

Transport proteins

Answer

Receptor proteins

Answer

Active proteins

Answer

Glycoproteins

Question 4

Movement of molecules from an area of higher concentration to an area of lower concentration.

Accepted Answer

Diffusion

Answer

Endocytocytosis

Answer

Osmosis

Answer

Exocytosis

Question 5

Process of diffusion in which larger molecules diffuse across the membrane through protein channels

Accepted Answer

Facilitated diffusion

Answer

Exocytosis

Answer

Osmosis

Answer

Endocytosis

Question 6

Movement of water molecules through a selectively-permeable membrane from an area of low solutes to an area of high.

Accepted Answer

Osmosis

Answer

Facilitated diffusion

Answer

Active transport

Answer

Diffusion

Question 7

Energy-requiring process that moves material across a cell membrane against a concentration difference or by the use of vesicles

Accepted Answer

Active transport

Answer

Facilitated diffusion

Answer

Osmosis

Answer

Passive transport

Question 8

Limited by surface area to volume ratio to optimize efficiency

Accepted Answer

Cell size

Answer

Volume efficiency

Answer

Optimal size

Answer

Molecule size

Question 9

A solution in which the concentration of solutes is greater outside the cell than that of the internal cell environment

Accepted Answer

Hypertonic solution

Answer

Isotonic

Answer

Hypotonic

Answer

Mixture

Question 10

A solution in which the concentration of solutes outside the cell is less than that of the internal cell environment.

Accepted Answer

Hypotonic solution

Answer

Hypertonic

Answer

Equal tonic

Answer

Isotonic

Question 11

concentration of solutes is equal inside and outside cell; water moves in and out at equilibrium

Accepted Answer

Isotonic solution

Answer

Hypotonic

Answer

Equal tonic

Answer

Hypertonic

Question 12

A state of balance, molecules move in and out of the cell membrane to maintain an equal amount of solutes outside and inside the cell.

Accepted Answer

Equilibrium

Answer

Hypertonic

Answer

Hypotonic

Answer

Even mixture

Question 13

An active process by which a cell takes material into the cell by the use of a vesicle

Accepted Answer

Endocytosis

Answer

Lysis

Answer

Apoptosis

Answer

Exocytosis

Question 14

An active endocytotic process where solids are moved into a cell by creating a vesicle, 'food'

Accepted Answer

Phagocytosis

Answer

Passive transport

Answer

Exocytosis

Answer

Pump

Question 15

An active process by which the contents of a cell vesicle are released outside the cell

Accepted Answer

Exocytosis

Answer

Pinocytosis

Answer

Phagocytosis

Answer

Endocytosis

Question 16

Model that describes the arrangement and movement of the molecules that make up a cell membrane

Accepted Answer

Fluid mosaic model

Answer

Membrane model

Answer

Dual lipid model

Answer

Amphipathic model

Question 17

Anchor the cell membrane to the inner cytoskeleton, to proteins outside the cell, and to other cells

Accepted Answer

Attachment proteins

Answer

Anchor proteins

Answer

Active proteins

Answer

Transport proteins

Question 18

Proteins that transmit information in and out of cells. They allow communication between cells.

Accepted Answer

Receptor proteins

Answer

Trasmission proteins

Answer

Channel proteins

Answer

Transport proteins

Question 19

Allow passage of hydrophilic substances across the membrane

Accepted Answer

Transport proteins

Answer

Attachment proteins

Answer

Active proteins

Answer

Receptor proteins

Question 20

Proteins with one or more covalently attached carbohydrates allowing cell-to-cell adhesion and recognition

Accepted Answer

Glycoproteins

Answer

Transport proteins

Answer

Channel proteins

Answer

Active proteins

Question 21

Prevents the fatty acid tails from sticking together, otherwise the membrane is too fluid

Accepted Answer

Membrane cholesterol

Answer

Carbohydrates

Answer

Glycoproteins

Answer

Hydrophilic heads

Question 22

simple diffusion, facilitated diffusion, osmosis

Accepted Answer

3 types of passive transport

Answer

3 types of active transport

Answer

3 types of glycoproteins

Answer

3 types of receptors

Question 23

Variation between solute quantities between two different solutions or areas

Accepted Answer

Concentration gradient

Answer

Hypertonic

Answer

Isotonic

Answer

Osmotic gradient

Question 24

A membrane that does not allow any substances to pass through

Accepted Answer

Impermeable

Answer

Semipermeable

Answer

Permeable

Answer

Equilibrium

Question 25

Found in the membrane move solutes from low to high concentration with ATP against the gradient

Accepted Answer

Carrier proteins

Answer

Receptor proteins

Answer

Glycoproteins

Answer

Attachment proteins

Question 26

Proteins in the membrane whose role it is to pass molecules that cannot go through the membrane

Accepted Answer

Protein channels

Answer

Phospholipid bilayer

Answer

Receptor proteins

Answer

Attachment proteins

Question 27

Result of diffusion where there is the continuous movement of particles but no overall change in concentration

Accepted Answer

Dynamic equilibrium

Answer

Change in pH

Answer

Hypotonic

Answer

Hypertonic

Question 28

Regulation of solute concentrations and water balance by a cell or organism

Accepted Answer

Osmoregulation

Answer

Solute regulation

Answer

Balance regulation

Answer

Concentration regulation

Question 29

Water channel proteins that provide cell membrane permeability to water.

Accepted Answer

Aquaporins

Answer

Glycoproteins

Answer

Osmotic channels

Answer

Water channels

Question 30

A type of endocytosis in which the cell ingests extracellular fluid and its dissolved solutes.

Accepted Answer

Pinocytosis

Answer

Passive transport

Answer

Pump

Answer

Exocytosis

Question 31

The plasma membrane regulates amounts of solutes that enter and leave the cell in the effort to maintain a balanced environment in an organism

Accepted Answer

Homeostasis/Equilibrium

Answer

Evenness

Answer

Balance

Answer

Solution

Question 32

protein pumps, endocytosis, exocytosis

Accepted Answer

3 types of active transport

Answer

3 types of passive transport

Answer

3 types of endocytosis

Answer

3 types of exocytosis

Question 33

Which of the following is NOT part of the Cell Theory?

Accepted Answer

All cells develop spontaneously

Answer

Cells are the smallest unit of life

Answer

All living things are made of cells

Answer

All cells are made from other cells

Question 34

A scientist found some cells from millennia ago. Using an electron microscope, the scientist identified these cell structures: a cell wall, free floating DNA and ribosomes. What kind of organism did the scientist find?

Accepted Answer

Bacteria

Answer

Eukaryotic cells

Answer

Protists

Answer

Mammals

Question 35

Which statement is true about prokaryotic cells?

Accepted Answer

The cells have no nucleus.

Answer

They are large

Answer

They have organelles

Answer

They are multicellular

Question 36

Which of the following best explains the difference between the cell wall and plasma membrane

Accepted Answer

The cell membrane is found in all cells and the cell wall is only found in plants, fungi and bacteria.

Answer

Cell membranes are impermeable

Answer

Cells walls are fluid while membranes are not

Answer

Cell walls are thinner than membranes

Question 37

Selective permeability is a function of the plasma membrane. Which of the following best describes this function?

Accepted Answer

Selective about what substances can travel into and out of the cell

Answer

A variety of substances can get through based on color

Answer

Only large molecules can pass through

Answer

Only small molecules can pass through

Question 38

At what point in the process of diffusion is dynamic equilibrium reached?

Accepted Answer

When the molecules are equally spaced in a solution

Answer

When there are more molecules outside the cell

Answer

When there are more molecules inside the cell

Question 39

A substance that is dissolved in a solution

Accepted Answer

Solute

Answer

Mixture

Answer

Liquid

Answer

Solvent

Question 40

Fluid solvent that contains a dissolved solid which is the solute.

Accepted Answer

Solution

Answer

Liquid

Answer

Solvent

Answer

Mixture

Question 41

A liquid substance capable of dissolving other substances

Accepted Answer

Solvent

Answer

Liquid

Answer

Mixture

Answer

Solute

Question 42

A combination of two or more substances that are not chemically combined and can be separated again

Accepted Answer

Mixture

Answer

Fluid

Answer

Solution

Answer

Solvent

Question 43

Membrane proteins that provide active transport of molecules across the membrane against the gradient requiring energy

Accepted Answer

Pumps

Answer

Carbohydrates

Answer

Lipids

Answer

Channels

Question 44

Surfaces of the phospholipid bilayer on both sides; draws water to the cell and deters foreign lipids from passing through the cell membrane

Accepted Answer

Hydrophilic heads

Answer

Hydrophobic tails

Answer

Fluid mosaic model

Answer

Phospholipid bilayer

Question 45

Two layers within the cell membrane that propel water through the bilayer because they are 'water-hating'

Accepted Answer

Hydrophobic tails

Answer

Bilayer

Answer

Hydrophilic heads

Answer

Ambipathic layer

Question 46

Interact with the surface molecules of other cells, facilitating cell-to-cell recognition

Accepted Answer

Membrane carbohydrates

Answer

Membrane proteins

Answer

Glycoproteins

Answer

Membrane lipids

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