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Diffusion/Osmosis
Test Description: Practice with osmosis and diffusion
Instructions: Answer all questions to get your test result.
1) A cell with 8% solute concentration is placed in a beaker with a 20% solute concentration. What will happen to the cell over time?
A
The cell will gain H2O and expand
B
The cell will lose H2O and shrink
C
The cell will both gain and lose equal amounts of H2O; thus, it will remain the same size
D
The cell will undergo no exchange of H2O with its surroundings
2) channels embedded in the cell membrane which act as doors to let large molecules in are made up of
A
amino acids
B
carbohydrates
C
proteins
D
Lipids
3) which of the following types of diffusion requires energy?
A
active transport
B
mitochondria
C
osmosis
D
facillitated diffusion
4) the movement of water molecules from an area of high concentration to low concentration is known as
A
osmosis
B
active transport
C
facilitated diffusion
D
diffusion
5) often molecules are too large to pass easily through the cell membrane. In order to cross they need to go through a protein channel. THis is known as
A
isotonic
B
osmosis
C
facilitated diffusion
D
active transport
6) When a cell is placed in this type of solution it will swell
A
osmosis
B
hypertonic
C
isotonic
D
hypotonic
7) the movement of molecules, other than water, across the cell membrane is known as
A
diffusion
B
hypertonic
C
isotonic
D
osmosis
8) Active transport requires energy to send large molecules across the cell. Which organelle is responsible for producing the energy needed
A
ribosomes
B
mitochondria
C
cell membrane
D
smooth endoplasmic reticulum
9) A cell containing 2% NaCl is placed into a solution containing 10% NaCl. Which of the following is correct
A
the solution is hypertonic and will make the cell expand
B
the solution is isotonic and will make the cell shrink
C
the solution is hypertonic and will make the cell shrink
D
the solution is hypotonic and will make the cell expand
10) After eating a donut your stomach transfers glucose (sugar) molecules to your blood cells to be distributed to the rest of your body. This concept is known as
A
diffusion
B
osmosis
C
photosynthesis
D
isotonic
*select an answer for all questions
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