ACA Term 2 Test Review

Front

What is it called when molecules move across the cell membrane from an area of high concentration to an area of low concentration through a carrier protein?

Back

Facilitated Diffusion

Tags

5C

Front

Which biomolecule makes up MOST of the cell membrane?

Back

phospholipids

Tags

5A

Front

How does the cell membrane help maintain homeostasis in each cell?

Back

The cell membrane controls the movement of substances in and out of the cell

Tags

5C

Front

How are facilitated diffusion and protein pumps different?

Back

Protein pumps require energy while facilitated diffusion does not

Tags

5C

Front

Using the image, choose the correct form of transport and explanation of how you know:

Back

Passive transport because the molecules are moving from high to low concentration

Tags

5C

Front

An animal cell placed in a hypertonic (salty) solution will

Back

Shrink- get smaller

Tags

5C

Front

The size and shape of proteins determines:

Back

their function

Tags

5A

Front

The 'backbone' or 'ribbon' of the DNA strand is made of:

Back

phosphate and sugar

Tags

7A

Front

Label the picture in order:

Back

phosphate ; sugar ; base

Tags

5A, 7A

Front

The ___________________ determines an organism's traits.

Back

sequence of nitrogen bases

Tags

7A