AP Biology Unit 2 Review

Front

In what direction do particles naturally diffuse?

Back

Down the concentration gradient.

Front

I am packing and shipping machine! Who am I?

Back

Golgi apparatus.

Front

Because the cell membrane is composed of many small parts that move together as a system, it is said to be _____ _____ (two words).

Back

Fluid mosaic.

Front

Where are ribosomes produced?

Back

Nucleolus.

Front

What is the difference between rough and smooth ER?

Back

Rough has ribosomes, smooth does not.

Front

What is the primary function of the cell membrane?

Back

To protect the cell and regulate what enters and exits.

Front

What is osmosis?

Back

The diffusion of water across a selectively permeable membrane.

Front

What are the main components of the cell theory?

Back

1. All living things are composed of cells. 2. Cells are the basic unit of life. 3. All cells come from pre-existing cells.

Front

What is the role of ribosomes in the cell?

Back

To synthesize proteins.

Front

What is the function of the endoplasmic reticulum?

Back

To synthesize proteins (rough ER) and lipids (smooth ER).