Biology A Pre-Test

Front

What type of cells are Plant and Animal cells?

Back

Eukaryotic cells are complex cells that contain a nucleus and organelles.

Front

What does cancer disrupt to create abnormal cells?

Back

Cancer disrupts the cell cycle, leading to uncontrolled cell division.

Front

What are enzymes an example of?

Back

Enzymes are proteins that act as catalysts in biochemical reactions.

Front

What is a substance that speeds up a chemical reaction called?

Back

A catalyst is a substance that increases the rate of a chemical reaction without being consumed.

Front

How does an enzyme speed up a reaction?

Back

An enzyme speeds up a reaction by lowering the activation energy required for the reaction to occur.

Front

What is the basic unit of life?

Back

The cell is the basic unit of life, serving as the building block for all living organisms.

Front

What is the function of ribosomes in a cell?

Back

Ribosomes are responsible for protein synthesis in the cell.

Front

What is the role of DNA in cells?

Back

DNA contains the genetic information necessary for the growth, development, and reproduction of organisms.

Front

What is the difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells lack a nucleus and membrane-bound organelles, while eukaryotic cells have both.

Front

What is homeostasis?

Back

Homeostasis is the process by which living organisms maintain a stable internal environment despite external changes.