DNA and Mitosis Flashcard Review

Front

What is a gene?

Back

A piece of DNA on a chromosome that codes for a trait.

Front

Which two molecules form the sides (backbone) of the DNA ladder?

Back

Deoxyribose sugar and phosphate.

Front

Adenine (A) bonds with ______________.

Back

Thymine (T).

Front

What are the components of a nucleotide?

Back

Sugar, phosphate, and nitrogen base.

Front

If there are 20 chromosomes in the nucleus before mitosis, how many will there be in each new daughter cell after cytokinesis?

Back

20.

Front

What is the structure of DNA?

Back

A double helix made of two strands of nucleotides.

Front

What are the four nitrogen bases in DNA?

Back

Adenine (A), Thymine (T), Cytosine (C), and Guanine (G).

Front

What is the role of DNA in cells?

Back

To store and transmit genetic information.

Front

What is mitosis?

Back

The process of cell division that results in two identical daughter cells.

Front

What happens during cytokinesis?

Back

The cytoplasm divides, resulting in two separate cells.