Semester Review #2 Dec 2024

Front

What forms the sides (backbone) of the DNA ladder?

Back

Deoxyribose (sugar) and phosphate.

Front

Who first suggested that DNA is a double helix?

Back

Watson and Crick.

Front

What best describes a DNA molecule?

Back

Double helix.

Front

What does a nucleotide include?

Back

A deoxyribose sugar, nitrogenous base, and phosphate group.

Front

In DNA, Adenine bonds with which base?

Back

Thymine.

Front

What is the structure of DNA?

Back

A double helix composed of two strands.

Front

What are the four nitrogenous bases in DNA?

Back

Adenine, Thymine, Cytosine, and Guanine.

Front

What is the role of phosphate in DNA?

Back

It forms part of the backbone of the DNA structure.

Front

What is the difference between DNA and RNA?

Back

DNA contains deoxyribose sugar, while RNA contains ribose sugar.

Front

What is the function of DNA?

Back

To store and transmit genetic information.