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Biology Unit 4 - Prokaryotes Pt 1
Test Description: Biology Unit 4 - Prokaryotes Pt 1
Instructions: Answer all questions to get your test result.
1) What is diffusion?
A
The movement of molecules through a semi-permeable membrane from an area of high concentration to an area of low concentratio
B
The movement of molecules across a semi-permeable membrane until there are equal amounts on each side of the membrane
C
Molecules desire to spread as far from a membrane as possible
D
The movement of molecules through a semi-permeable membrane from an area of low concentration to an area of high concentratio
2) When put into distilled water, a red blood cell will:
A
Double in size and then stay that way
B
Shrink
C
Stay the same
D
Inflate until it pops
3) What will happen to an animal cell placed in a salt water solution?
A
The cell will shrink
B
the cell will shrink and then expand and then shrink again
C
the cell will expand
D
the cell will burst
4) The outermost boundary of an animal cell is the
A
nucleus
B
cell wall
C
cell membrane
D
cytoplasm
5) The term prokaryotic means what-literally?
A
small nucleus
B
false nucleus
C
before the nucleus
D
true nucleus
6) Prokaryotes and eukaryotes are different because
A
Prokaryotes have a nucleoid; eukaryotes have a nucleus.
B
Prokaryotes have a nucleus; eukaryotes have a nucleoid
C
Prokaryotes have DNA; eukaryotes have RNA
D
Prokaryotes have RNA; eukaryotes have DNA
7) Chamber A contains 40% helium and Chamber B contains 20% helium. Chambers are connected by a tube the molecules are free to cross. Which of the following will occur?
A
some helium will move from chamber A to chamber B
B
helium will remain concentrated in chamber A
C
some helium will move from chamber B to chamber A
D
all of the helium will move into chamber B
8) The salt content inside and outside of the cell is equal. What happens to the movement of molecules at this point?
A
Water continues to exit the cell until the salt concentration is higher in the cell
B
All movement stops
C
Molecules continue to pass in and out of the cell in equal parts
D
Water continues to enter the cell until the salt concentration is lower in the cell
9) Bacteria can be which of the following shapes?
A
Bacillus, Spirilia, Canadiaus
B
Bacillus, Spirilia, Conpus
C
Bacillus, Spirilia, Coccus
D
Bacillus, Quadrain, Coccus
10) The cell membrane is made up of a _____ bilayer.
A
lipid
B
carbohydrate
C
acid
D
protein
*select an answer for all questions
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