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Cell Membrane and Transport Practice Test

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9th grade Biology Test sobre Cell Membrane and Transport Practice Test, creado por Jessica Dewald el 02/12/2018.
Jessica Dewald
Test por Jessica Dewald, actualizado hace más de 1 año
Jessica Dewald
Creado por Jessica Dewald hace casi 6 años
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Resumen del Recurso

Pregunta 1

Pregunta
Diffusion is the movement of molecules from
Respuesta
  • an area of low concentration to an area of high concentration
  • an area of high concentration to an area of low concentration
  • an isotonic solution to a hypotonic solution
  • an area of equilibrium to an area of high concentration

Pregunta 2

Pregunta
When a plant cell is placed in a saltwater solution, the cell is affected and changes size. What part of the cell will be UNAFFECTED?
Respuesta
  • the cytoplasm
  • the vacuole
  • the cell membrane
  • the cell wall

Pregunta 3

Pregunta
Which method of transport moves substances in or out of the cell that REQUIRES ENERGY?
Respuesta
  • osmosis
  • diffusion
  • facilitated diffusion
  • active transport

Pregunta 4

Pregunta
The diffusion of WATER across a selectively permeable membrane is called
Respuesta
  • facilitated diffusion
  • osmosis
  • equilibrium
  • active transport

Pregunta 5

Pregunta
The only DIFFERENCE between diffusion and facilitated diffusion is
Respuesta
  • facilitated diffusion requires energy
  • diffusion requires energy
  • facilitated diffusion uses protein channels to move substances in or out of the cell
  • facilitated diffusion is the moves substances from an area of low concentration to an area of high concentration

Pregunta 6

Pregunta
After eating a salty snack like potato chips, the cells in your mouth become saturated with salt. What happens to the cells in your mouth as they react to the ELEVATED salt environment?
Respuesta
  • salt moves out of the cell causing them to shrink
  • water moves into the cell causing them to burst
  • water moves out of the cell causing them to shrink
  • salt moves into the cell causing them to burst

Pregunta 7

Pregunta
A solution in which the salt concentration is LOWER than the salt concentration inside the cell is called
Respuesta
  • an isotonic solution
  • a hypotonic solution
  • a hypertonic solution

Pregunta 8

Pregunta
Which of the following is a function of the cell membrane?
Respuesta
  • stores water, salt, proteins, and carbohydrates
  • keeps the cell wall in place
  • regulates which materials enter and leave the cell
  • breaks down lipids, carbohydrates, and proteins from foods

Pregunta 9

Pregunta
A plant cell is placed in a HYPERTONIC solution, what will most likely happen to the cell?
Respuesta
  • salt moves out of the cell causing it to shrink
  • salt moves into the cell causing it to burst
  • water moves into the cell causing it to burst.
  • water moves out of the cell causing it to shrink.

Pregunta 10

Pregunta
When a cell needs to get rid of waste products and push them OUT OF THE CELL, which term best describe the process by which cells release substances from the cell?
Image:
Exocytosis Animation (binary/octet-stream)
Respuesta
  • exocytosis
  • pinocytosis
  • endocytosis
  • phagocytosis

Pregunta 11

Pregunta
When the concentration of molecules on both sides of a membrane is the SAME, the solution
Respuesta
  • is hypotonic.
  • is hypertonic.
  • has reached an equilibrium
  • moves from an area of higher concentration to an area of lower concentration.

Pregunta 12

Pregunta
A solution in which the salt concentration is HIGHER outside the cell than the salt concentration inside the cell is called
Respuesta
  • an isotonic solution.
  • a hypertonic solution.
  • a hypotonic solution.

Pregunta 13

Pregunta
If a large cell consumes or EATS another smaller cell, say a tiny bacterium, which term best describe the process by which cells eat or consume?
Image:
Phagocytosis Animation (binary/octet-stream)
Respuesta
  • phagocytosis
  • exocytosis
  • endocytosis
  • pinocytosis

Pregunta 14

Pregunta
The STRUCTURE of the cell membrane is best described as
Image:
Quia Cell Membrane And Transport Quiz (binary/octet-stream)
Respuesta
  • an impenetrable barrier.
  • a rigid, strong layer protecting the cell.
  • a lipid bilayer.
  • a single lipid layer.

Pregunta 15

Pregunta
Cells occasionally need to take in or drink large amounts of water, which term best describe the process by which cells DRINK or take in packets of water?
Image:
Pinocytosis Animation (binary/octet-stream)
Respuesta
  • endocytosis
  • pinocytosis
  • phagocytosis
  • exocytosis

Pregunta 16

Pregunta
In the given scenario what will happen to the organism: Salt is poured onto a slug.
Respuesta
  • water will move into the slug cells and the cells will swell
  • water will move out of the slug cells and the cells will swell
  • water will move out of the slug cells and the cells will shrink

Pregunta 17

Pregunta
In the given scenario what will happen? An egg is placed in pure water for 48 hours.
Respuesta
  • the egg will lose water and shrink
  • the egg will gain water and swell
  • water will move in and out of the cell equally, and the cell with neither shrink nor swell

Pregunta 18

Pregunta
Movement of molecules against a concentration gradient.
Respuesta
  • simple diffusion
  • active transport
  • facilitated diffusion
  • osmosis

Pregunta 19

Pregunta
What is the definition of selective permeability?
Respuesta
  • the movement of molecules from an area of high concentration to an area of low concentration
  • the ability of the cell membrane to allow some things to pass through while preventing other things from passing through
  • the movement of materials across the cell membrane that requires no energy from the cell
  • the movement of materials through the cell membrane

Pregunta 20

Pregunta
A cell membrane is a thin layer of lipids and
Respuesta
  • carbohydrates
  • proteins
  • cholesterol
  • chitin

Pregunta 21

Pregunta
There will be no net movement of the water when a cell is placed in which solution?
Respuesta
  • isotonic
  • hypotonic
  • hypertonic
  • salt water

Pregunta 22

Pregunta
The concentration of water is higher in the soil than in plant root cells. Water moves into root cells of a plant by
Respuesta
  • facilitated diffusion
  • simple diffusion
  • active transport
  • osmosis

Pregunta 23

Pregunta
Phospholipid tails are
Respuesta
  • hydrophilic, nonpolar
  • hydrophobic, nonpolar
  • hydrophobic, polar
  • hydrophilic, polar

Pregunta 24

Pregunta
When looking at the cell membrane, where are the lipid tails located?
Respuesta
  • Inner part of the bilayer
  • At the end of the bilayer
  • Outer part of the bilayer
  • Goes through each end of the bilayer

Pregunta 25

Pregunta
Which of the following is responsible for getting complex (large) molecules across the cell membrane?
Respuesta
  • lipids
  • proteins
  • carbs
  • nucleic acids

Pregunta 26

Pregunta
A cell will _____________________ in a hypertonic solution.
Respuesta
  • swell
  • shrink
  • will explode
  • will not change

Pregunta 27

Pregunta
A cell will __________________ in a hypotonic solution.
Respuesta
  • swell and perhaps burst (lyse)
  • shrink
  • the size of the cell will not change
  • the size of the cell will change from large to small and from small to large

Pregunta 28

Pregunta
The movement of water across a selectively permeable membrane without the use of any energy is called
Respuesta
  • endocytosis
  • active transport
  • diffusion
  • osmosis

Pregunta 29

Pregunta
A person should never drink salty water because their cells would
Respuesta
  • shrink
  • expand

Pregunta 30

Pregunta
A person would never have pure water put into their veins in a hospital because their cells would...
Respuesta
  • shrink/dehydrate
  • expand/lyse

Pregunta 31

Pregunta
Keeps the fatty acid tails inside the nucleus from sticking together. It allows the cell membrane to be flexible.
Respuesta
  • lipids
  • cholesterol
  • proteins
  • carbohydrate chains

Pregunta 32

Pregunta
These are found on the extracellular side of the cell membrane. They deal with cell recognition.
Respuesta
  • carbohydrate chains
  • proteins
  • lipids
  • cholesterol

Pregunta 33

Pregunta
Label the following parts of the cell membrane.
Image:
Cell Membrane Diagram (image/jpeg)
Respuesta
  • Phospholipid
  • Phosphate Head
  • Fatty Acid Tails
  • Cholesterol
  • Peripheral Protein
  • Integral Protein
  • Carbohydrate Chain
  • Glycoprotein
  • Glycolipid
  • Lipid Bilayer
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