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Bio Ch. 3 Vocabulary 2
Test Description: Ch.3 Review
Instructions: Answer all questions to get your test result.
1) These divide DNA during cell division.
A
centrioles
B
cell wall
C
chloroplasts
D
lysosomes
2) A membrane bound organelle that contain enzymes. Defends cells from bacteria and viruses.
A
lysosomes
B
centrioles
C
chloroplasts
D
cell wall
3) Makes plants green by carrying out the process of photosynthesis.
A
chloroplasts
B
cell wall
C
lysosomes
D
centrioles
4) GIves protection support and shape to the cell
A
chloroplasts
B
cell wall
C
centrioles
D
lysosomes
5) Allows some, but not all materials to cross through.
A
selective lisosomes
B
selective permeability
C
selective cells
D
selective proteins
6) Drives molecules across a membrane from a region of lower concentration to a region of higher concentration.
A
concentration gradient
B
diffusion
C
passive transport
D
active transport
7) Is the movement of molecules in a fluid or gas from a region of higher concentration to a region of lower concentration.
A
concentration gradient
B
active transport
C
diffusion
D
passive transport
8) Is the movement of molecules across a cell membrane without energy input from the cell.
A
diffusion
B
passive transport
C
active transport
D
concentration gradient
9) is the difference of concentration from one location to another
A
active transport
B
passive transport
C
concentration gradient
D
diffussion
10) A _________ is a protein that detects a signal molecule and performs an action in response.
A
difussion
B
lipid
C
receptor
D
ribosome
*select an answer for all questions
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