DNA structure

Front

The D in DNA stands for

Back

deoxyribo

Front

When is DNA copied?

Back

During cell division

Front

Which of the following is NOT part of a nucleotide?

• sugar
• phosphate
• nitrogen base
• amino acid

Back

amino acid

Front

Adenine pairs with

Back

Thymine

Front

The backbone of DNA is made of

Back

sugars and phosphates

Front

What holds the two strands of DNA together?

Back

hydrogen bonds

Front

If a DNA molecule has 30% Guanine bases, how many Cytosine bases will it have?

Back

30%

Front

One function of DNA is to

Back

code for proteins

Front

What is the first step in DNA replication?

Back

To unwind and unzip the two strands.

Front

What does semiconservative replication mean?

Back

that the newly made DNA has one strand from the original DNA and one new strand