DNA Structure (PLTW 1.1.5)

Front

What is the overall charge of DNA?

Back

Negative (-)

Front

What base does Guanine bond with?

Back

Cytosine

Front

What are the three components of a nucleotide?

Back

Sugar, phosphate, and nitrogenous base.

Front

What accounts for the difference in hair texture between siblings?

Back

The sequence of nitrogen bases in their DNA is different.

Front

Which nitrogen base does Cytosine always pair with?

Back

Guanine

Front

What is the structure of DNA commonly described as?

Back

A double helix.

Front

What are the four nitrogenous bases found in DNA?

Back

Adenine, Thymine, Cytosine, and Guanine.

Front

What type of bond holds the nitrogenous bases together in DNA?

Back

Hydrogen bonds.

Front

What is the role of the phosphate group in a nucleotide?

Back

It links the sugar of one nucleotide to the sugar of another, forming the backbone of the DNA strand.

Front

What is the significance of the sequence of nitrogen bases in DNA?

Back

It determines the genetic information and instructions for building proteins.