What kind of transport doesn't require the use of energy to move materials across the membrane?

all of these don't require the cell to use energy

Equilibrium is reached

when particles are evenly distributed through the space.

What is concentration?

amount of things in a given area

Which of these is selectively permeable?

all of these are selectively permeable

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Cell Membranes & Cell Transport for Year 11

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Covers the basics about cell membranes and cell transport. Made for grade 10 Biology.

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Questions 13

Answers

1
Active transport
all of the answers are correct
requires energy
moves materials against a concentration gradient
is usually done by transport proteins in the cell membrane
2
What kind of transport doesn't require the use of energy to move materials across the membrane?
osmosis
diffusion
all of these don't require the cell to use energy
facilitated diffusion
3
"A" is
cholesterol
a protein
a polar phosphate
a nonpolar fatty acid
4
Equilibrium is reached
at the end of active transport.
only during passive transport.
when particles are evenly distributed through the space.
when movement of particles stops.
5
What molecules are imbedded in the bilayer?
glucose
nucleic acids
ribosomes
proteins
6
Passive transport
moves particles against a concentration gradient.
requires energy.
moves particles from a high to a low concentration.
doesn't require energy.
7
Requires energy; materials enter pockets in cell membrane, which forms vacuole in cytoplasm = ?
phagocytosis
exocytosis
endocytosis
pinocytosis
8
What is concentration?
the density of a substance
the amount of mass something has
the weight of a substance
amount of things in a given area
9
What is structure "D"?
a protein
a phospholipid
a glucose molecule
cholesterol
10
Which of these is selectively permeable?
a cell membrane
a strainer
all of these are selectively permeable
a window screen
11
The basic structure of the cell membrane is
made of proteins.
hydrophilic.
permeable.
a phospholipid bilayer.
12
The substance in which something is dissolved is a __________.
solution
solute
suspension
solvent
13
Another name for the cell membrane is
the nuclear membrane
the cell wall
the plasma membrane
the endocytic membrane

Cell Membranes & Cell Transport for Year 11 Flashcards | StudBud