Exploring Cell Membrane Proteins

Exploring Cell Membrane Proteins

Assessment

Interactive Video

Biology

6th - 10th Grade

Practice Problem

Hard

Created by

Liam Anderson

Used 1+ times

FREE Resource

The video explores membrane proteins, highlighting their importance in cell membranes. It covers the structure of cell membranes, focusing on phospholipids and the lipid bilayer. The video explains different types of proteins: integral, peripheral, and lipid-bound, detailing their roles and characteristics. It further delves into integral proteins, specifically channel and carrier proteins, explaining their functions in maintaining cellular homeostasis. Glycoproteins are also discussed, emphasizing their role in cell signaling. The video concludes with a summary of the protein types and their functions.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What percentage of the cell membrane can be composed of proteins?

25%

100%

50%

75%

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the building blocks of the cell membrane?

Nucleic acids

Carbohydrates

Phospholipids

Proteins

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main characteristic of integral proteins?

They are integrated throughout the entire membrane

They are always attached to other proteins

They are easy to remove

They are found only on the outside of the cell membrane

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of protein is found on the outside of the cell membrane and can be easily removed?

Integral proteins

Peripheral proteins

Channel proteins

Lipid-bound proteins

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are lipid-bound proteins rare?

They require a lot of energy to function

They are always attached to other proteins

They are stuck on the interior of the cell membrane

They are not needed for cell membrane functions

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of channel proteins?

To signal other cells

To allow things to pass through the cell membrane

To carry substances into the cell

To bind lipids

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Do channel proteins require energy to function?

Yes, they always require ATP

No, they use glucose instead

No, they do not require energy

Yes, but only sometimes

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