Biology Semester Test

Front

Molecules that speed up chemical reactions without being consumed by the reaction are ____.

Back

catalysts

Front

What occurs during G1?

Back

The cell grows and develops.

Front

What property of water is when water sticks to plant material?

Back

Adhesion

Front

In telophase of mitosis, chromosomes _____.

Back

begin to decondense and the two new nuclei begin to form.

Front

What is the purpose of the cell cycle?

Back

To create new daughter cells.

Front

What is the function of enzymes in biological reactions?

Back

Enzymes act as catalysts to speed up chemical reactions.

Front

Define mitosis.

Back

Mitosis is the process of cell division that results in two genetically identical daughter cells.

Front

What is the role of the spindle fibers during mitosis?

Back

Spindle fibers help separate chromosomes and pull them to opposite poles of the cell.

Front

What is cohesion in terms of water properties?

Back

Cohesion is the property of water that allows water molecules to stick to each other.

Front

What happens during the S phase of the cell cycle?

Back

DNA replication occurs, resulting in two copies of each chromosome.