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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 undergo no exchange of H2O with its surroundings
B
The cell will lose H2O and shrink
C
The cell will gain H2O and expand
D
The cell will both gain and lose equal amounts of H2O; thus, it will remain the same size
2) channels embedded in the cell membrane which act as doors to let large molecules in are made up of
A
carbohydrates
B
proteins
C
amino acids
D
Lipids
3) which of the following types of diffusion requires energy?
A
active transport
B
facillitated diffusion
C
mitochondria
D
osmosis
4) the movement of water molecules from an area of high concentration to low concentration is known as
A
osmosis
B
facilitated diffusion
C
active transport
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
facilitated diffusion
B
active transport
C
isotonic
D
osmosis
6) When a cell is placed in this type of solution it will swell
A
osmosis
B
hypotonic
C
hypertonic
D
isotonic
7) the movement of molecules, other than water, across the cell membrane is known as
A
osmosis
B
diffusion
C
isotonic
D
hypertonic
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 hypotonic and will make the cell expand
B
the solution is hypertonic and will make the cell expand
C
the solution is hypertonic and will make the cell shrink
D
the solution is isotonic and will make the cell shrink
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
osmosis
B
diffusion
C
isotonic
D
photosynthesis
*select an answer for all questions
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