Question 1

What is the outermost layer of an animal cell called?

Accepted Answer

cell membrane

Answer

Golgi layer

Answer

Ribo layer

Answer

cell wall

Question 2

What are phospholipids?

Accepted Answer

They form a bi-layer that makes up the cell membrane.

Answer

They use energy to carry big molecules across the cell membrane.

Answer

They are completely water-loving.

Answer

They are proteins found in the cell membrane.

Question 3

The cell membrane is semi-permeable which means

Accepted Answer

It allows certain molecules to enter the cell while keeping others out.

Answer

It functions best when in a water environment.

Answer

It is very fluid so it sometimes leaks cell contents out.

Answer

It protects the cell by keeping all molecules out.

Question 4

Which of the following helps get large molecules into a cell and requires energy (ATP) to do so?

Accepted Answer

Carrier protein

Answer

Channel protein

Answer

Phospholipid

Answer

Cell membrane

Question 5

The phosphate heads of a phospholipid are hydrophilic which means

Accepted Answer

They love water.

Answer

They are made up of phosphate.

Answer

They hate water.

Answer

They are found everywhere.

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