Cell Structure and Function Review

Which organelle supports and protects a plant cell?

• mitochondria

• chloroplast
• cell wall
• nucleus

The nucleus is the ________ of the cell.

• powerhouse
• control center
• outside
• trash disposal

Which is not part of cell theory?

• All living things are made of cells
• Cells are the basic unit of structure and function of all living things.
• All of these are part of cell theory.
• All cells come from other cells

The cell membrane is not...

• a selectively permeable membrane
• in charge of what enters and leaves the cell
• is involved in osmosis
• a firm outer covering of the cell

Mitochondria is used to

• convert food to energy
• convert sunlight to energy
• store food molecules
• store water molecules

The movement of material across a cell membrane without using energy is

• active transport
• passive transport
• endocytosis
• exocytosis

The cells in multicellular organisms

• are identical in all parts
• are the same size
• have identical structure
• can be very different

When molecules move from an area of higher concentration to lower concentration it is called....

• diffusion
• active transport
• endocytosis
• concentration (optional)

Osmosis is

• a form of active transport
• diffusion across a selectively permeable membrane
• the opposite of diffusion
• the same as diffusion

The movement of material across a cell membrane without using energy is

• active transport
• passive transport
• endocytosis
• exocytosis