What are the two main topics covered in the AP Biology Lab walkthrough?

Diffusion and Osmosis Concepts

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Ethan Morris
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Biology, Science
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9th - 12th Grade
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Medium
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diffusion and Osmosis
Photosynthesis and Respiration
Genetics and Evolution
Cell Division and Growth
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the diffusion example with a jar, what happens to the sugar molecules over time?
They remain on one side of the membrane.
They move to create an unequal concentration.
They migrate to achieve equal concentration on both sides.
They dissolve completely in the water.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary difference between diffusion and osmosis?
Diffusion requires energy, while osmosis does not.
Diffusion involves only gases, while osmosis involves liquids.
Diffusion occurs in solids, while osmosis occurs in gases.
Diffusion is the movement of solutes, while osmosis is the movement of water.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the osmosis example, why do sugar molecules not move across the semi-permeable membrane?
They are too large to pass through the membrane.
They dissolve in water before moving.
They are repelled by the membrane.
They are already in equilibrium.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using dialysis tubing in the diffusion lab?
To contain the starch solution
To measure the rate of osmosis
To act as a semi-permeable membrane
To simulate a cell wall
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What indicates the presence of starch in the diffusion lab setup?
A red color change
A green color change
A blue color change
A yellow color change
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the potato lab, what happens to the mass of potatoes in distilled water?
The mass decreases
The mass increases
The mass fluctuates
The mass remains the same
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do potatoes lose mass in high sugar concentration solutions?
Sugar enters the potato
Water moves out of the potato
Sugar leaves the potato
Water moves into the potato
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of the point where the best fit line crosses the axis in the potato lab?
It indicates the initial mass of the potato.
It shows the final mass of the potato.
It represents the molarity of the potato.
It marks the time taken for osmosis.
10.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main goal of the potato lab experiment?
To measure the rate of diffusion
To test the permeability of potato skin
To determine the sugar content in potatoes
To observe osmosis and changes in potato mass
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