Mid Term Review

Front

What is the purpose of an enzyme?

Back

Enzymes speed up reactions by lowering the activation energy required for the reaction to occur.

Front

What does unicellular mean?

Back

Unicellular refers to an organism that consists of only one cell.

Front

What is osmosis?

Back

Osmosis is the movement of water from an area of low concentrated solute to an area of high concentrated solute.

Front

What does it mean for a membrane to be selectively permeable?

Back

A selectively permeable membrane allows some molecules to pass through while blocking others.

Front

What is cytoplasm?

Back

Cytoplasm is the jelly-like substance within a cell that contains organelles and is where many cellular processes occur.

Front

What are prokaryotes?

Back

Prokaryotes are single-celled organisms that lack a nucleus and membrane-bound organelles.

Front

What are eukaryotes?

Back

Eukaryotes are organisms whose cells contain a nucleus and membrane-bound organelles.

Front

What is the function of the cell membrane?

Back

The cell membrane protects the cell and regulates what enters and exits the cell.

Front

What is diffusion?

Back

Diffusion is the movement of molecules from an area of high concentration to an area of low concentration.

Front

What is the role of ribosomes in a cell?

Back

Ribosomes are responsible for protein synthesis in the cell.