16 Best Diffusion Questions and Answers (Q&A) - ProProfs Discuss

What is the process of taking materials into the cell by means of unfolding, or pockets, of the cell membrane called?

Carice Snow, Motivator
Answered: Nov 27, 2018

Endocytosis, pinocytosis and phagocytosis are means of taking in materials into the cell membrane.
Endocytosis is a cellular process of taking materials by invagination of the cell membrane...Read More

2 Answers

1803 views

What would a solution with 1.5% saline in it be considered as?

Markda John
Answered: Jan 01, 2018

(c) Hypertonic A saline solution with 1.5% saline would be considered hypertonic when going in the body. The blood in our bodies has a saline concentration of 0.9% on average. A hypert...Read More

3 Answers

1438 views

When is equilibrium reached after sugar is mixed with water?

F. Ray, Student
Answered: Jul 20, 2018

The equilibrium is reached is number 3. The dissolved sugar molecules are evenly distributed throughout the solution. Some may think that the salt solution and sugar solution is the same but...Read More

3 Answers

1340 views

Which of these molecules can not pass through a membrane to enter a cell?

John Smith
Answered: Dec 22, 2024

Starch

As we observed in the Diffusion Through a Membrane lab, starch cannot pass through a semi-permeable membrane. We know this because the solution surrounding the cell we constructed...Read More

4 Answers

1309 views

What is simple diffusion defined as?

Jeffreypoblador
Answered: Feb 19, 2018

Both of this guys the wrong idea the real answer is 3 because it goes across the membrane and that is why the dye molecule is know going through the bottle. I'm sorry that this people didnt know...Read More

3 Answers

832 views

What happens to a molecule when it goes inside the cell through the protein on its surface?

D. gray, Builder
Answered: Mar 06, 2019

The answer to this is Facilitated Diffusion. Facilitated diffusion is the process by which the passive transport of molecules and ions through a passageway going to the integral membranes....Read More

2 Answers

814 views

What is diffusion?

M. Porter, Senior Executive
Answered: Mar 11, 2019

Diffusion is defined as the transfer of particles from an area of higher concentration to an area of lower concentration. This is because diffusion is a property of equilibrium. It means that...Read More

3 Answers

772 views

Which of these molecules can pass through a cell via active transport?

John Smith
Answered: Dec 22, 2024

Glucose

Starch is too large to pass through the proteins on the membrane of a cell, and Oxygen and Ethanol pass through the phospholipid bi-layer via passive transport and cannot be stopped.

2 Answers

734 views

Which of these does require energy?

John Smith
Answered: Dec 22, 2024

Active Transport
Active transport is the movement of molecules from an area of lower concentration to an area of higher concentration. Because this defies the law of diffusion, it takes the...Read More

2 Answers

712 views

Is it true or false? Lipids cannot pass through the cell membrane because they are too large to fit through.

Carice Snow, Motivator
Answered: Mar 06, 2019

The answer to this is false. The lipids may be too large to pass through the cell membranes if they do not dissolve but the thing is, they do dissolve. This means that even if they are too big,...Read More

2 Answers

607 views

What do we call the small pores in a membrane through which diffusion takes place?

D. gray, Builder
Answered: Mar 06, 2019

The answer to this is number 1. Aquaporins. This integral membrane is responsible for providing the needed channels so that water can be transferred easily. You can just imagine how hard it would...Read More

2 Answers

525 views

What is the difference between Effusion and Diffusion?

Larry Thornton, Student
Answered: Jul 23, 2019

Some people assume that effusion and diffusion are the same, but this is not true. Diffusion is known to be the movement of particles from one place to another place that comes with a higher...Read More

2 Answers

431 views

What colors are the contents of the artificial cell in the illustration below?

Carice Snow, Motivator
Answered: Mar 06, 2019

The colors will be the following: purple, dark purple, blue-black, then finally, black. Diffusion is known to be important to organisms because this is the process by which different molecules...Read More

2 Answers

419 views

Which sample(s) will have a change in the content of the bag?

Carice Snow, Motivator
Answered: Mar 06, 2019

The samples that will change are A, B, C, D, and E. If you are wondering why F will not change, the answer to this is simple: the concentration levels are the same for letter F which means that...Read More

2 Answers

298 views

Diffusion Questions and Answers (Q&A)

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