Cells

What controls the cell's activities?

• Ribosome

• Nucleus

All cells have cytoplasm and a

• Cell membrane

• Cell wall

If a cell has a nucleus, the cell is

• Prokaryote

• Eukaryote

Cell membranes are constructed mainly of

• Carbohydrates

• Lipid bilayers

The movement of water molecules across a selectively permeable membrane is

• Osmosis

• Endocytosis

A substance that moves across a cell membrane without using the cell's energy tends to move

• away from the area of equilibrium

• away from the area where it is more concentrated.

Animal cells have chloroplasts.

• False

• True

Which structures may be found attached to the endoplasmic reticulum?

• Vacuoles

• Ribosomes

Involves movement from inside of cell to outside.

• Exocytosis

• Endocytosis

Facilitated diffusion is an example of active transport.

• True

• False