Unit 3 Review

Front

Characteristics of living things

Back

Living things grow, reproduce, respond to stimuli, use energy & get rid of wastes

Front

Definition of a cell

Back

A cell is the basic unit of life that makes up all living organisms.

Front

Prokaryotic vs. Eukaryotic organisms

Back

Prokaryotic organisms lack a nucleus (e.g., bacteria), while eukaryotic organisms have a nucleus (e.g., plants and animals).

Front

Eukaryotic organisms can be unicellular.

Back

Yes, eukaryotic organisms can be unicellular, such as protists.

Front

Cell membrane function

Back

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

Front

Cytoplasm function

Back

The cytoplasm is a jelly-like substance where cell organelles are suspended and chemical reactions occur.

Front

Ribosomes function

Back

Ribosomes are responsible for protein synthesis in the cell.

Front

Nucleus function

Back

The nucleus contains the cell's genetic material and controls cell activities.

Front

Endoplasmic reticulum (ER) function

Back

The ER is involved in protein and lipid synthesis; it can be rough (with ribosomes) or smooth (without ribosomes).

Front

Lysosomes function

Back

Lysosomes contain enzymes that break down waste materials and cellular debris.