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Cell Membrane
Test Description: Keystone Prep - Anchor 1 Module 4
Instructions: Answer all questions to get your test result.
1) example of passive transport
A
sodium-potassium pump
B
endocytosis
C
diffusion
D
exocytosis
2) example of active transport
A
sodium-potassium pump
B
diffusion
C
osmosis
D
filtration
3) funciton of cell membrane
A
produce genetic material
B
movement of molecules into and out of cell
C
produce ribosomes
D
transport genetic material
4) If water concentration inside a cell is higher than the water concentration outside the cell, water flows out of the cell. This is
A
diffusion
B
exocytosis
C
osmosis
D
sodium-potassium pump
5) how are small molecules like oxygen and carbon dioxide move through the cell
A
passive transport by osmosis
B
passive transport by diffusion
C
active transport by osmosis
D
active transport by diffusion
6) the fluid mosaic model describes the structure and function of
A
cell membranes
B
chloropasts
C
feedback loops
D
nuclei
7) The lipid bilayer allows for the membrane to
A
movement of molecules into and out of cell
B
keep out viruses and bacteria
C
absorb water from the cytoplasm
D
fuse with ribosomes
8) allows for larger water-soluble molecules like carbohydrates to move in and out of cell
A
hydrophilic phospholipids
B
goli appartus
C
carrier proteins
D
endoplasmic reticulum
9) Carrier proteins are used in facilitated diffusion
A
sodium-potassium pump
B
active transport
C
exocytosis
D
passive transport
10) Diffusion is a transport of small molecules like gases. This movement is always from
A
high to low concentration
B
not dependent on concentration
C
low to high concentration
D
moves only when concentrations are equal
*select an answer for all questions
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