Hackbarth Benchmark Review

Front

What is the main difference between RNA and DNA?

Back

RNA contains uracil and ribose, while DNA contains thymine and deoxyribose.

Front

What determines the genetic code?

Back

The order of nitrogen bases along a gene.

Front

What are the three components of a nucleotide?

Back

Sugar, phosphate, and nitrogen base.

Front

What DNA base pairs with adenine?

Back

Thymine.

Front

What DNA base pairs with cytosine?

Back

Guanine.

Front

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

Back

Deoxyribose sugar and phosphate.

Front

What is the role of ribose in RNA?

Back

Ribose is the sugar component of RNA.

Front

What is the function of uracil in RNA?

Back

Uracil replaces thymine in RNA and pairs with adenine.

Front

How many nitrogen bases are in a DNA molecule?

Back

There are four nitrogen bases: adenine, thymine, cytosine, and guanine.

Front

What is a gene?

Back

A gene is a segment of DNA that contains the instructions for making a specific protein.