Biology Cells Exam

Paired structures, found only in animal cells which help in cell division

Can be found free floating or attached to the ER.

The study of cells is called _________________

Cells reproduce by _________________.

Small spherical area inside nucleus which makes ribosomes.

Movement of molecules from one area of high concentration to low concentration.

Stacked like pancakes

The "power plant" of the cell.

The "little organs" found in the cytoplasm.

How do you know an animal cell is an animal cell and not a plant cell?

All the living material in the cell.

Who first used the term 'cells'?

Plasma membrane engulfs and pinches off liquid.

Tough layer outside of plasma membrane made of cellulose, found in plant cells.

Which solution has a greater concentration of dissolved molecules than the cell?

The nucleus is filled with _______________.

Which solution has a lesser concentration of dissolved molecules than the cell.

Chemical processing and packaging center

The size of an organism depends on __________

Organisms made of one cell.

Eukaryotic cells have ________________.

When the body tries to maintain a stable internal environment, it is called __________________.

Protein factories.

A membrane that only allows certain things in and out.

Plasma membrane engulfs and pinches off solid.

The diffusion of water molecules through a semi-permeable membrane.

Membrane sacs containing digestive enzymes which recycle old parts.

Control Center, contains genetic material

Folded membranes near the nucleus which transport molecules within the cell.

Tiny "hairs" used to move the cell or the surrounding environment.

Thin double layered membrane which separates the cell from its environment.

Membrane-bound sacs which store food, water, or wastes.

Which solution has the same amount of dissolved molecules as the cell.

Contain chlorophyll and perform photsynthesis

Phagocytosis and Pinocytosis

The "tail" of some cells.