DNA Structure and Function practice

Front

What does DNA stand for?

Back

Deoxyribonucleic acid

Front

Is a single-stranded molecule considered DNA? Why or why not?

Back

No, because DNA is double-stranded.

Front

What are the sides of the DNA ladder made of?

Back

Alternating sugars and phosphates.

Front

What are the components of a nucleotide?

Back

A phosphate group, a sugar, and a nitrogenous base.

Front

Which nitrogenous base pairs with cytosine?

Back

Guanine.

Front

What is the shape of the DNA molecule?

Back

Double helix.

Front

What are the four nitrogenous bases found in DNA?

Back

Adenine, Thymine, Cytosine, and Guanine.

Front

What is the function of DNA?

Back

To store and transmit genetic information.

Front

What type of bond holds the two strands of DNA together?

Back

Hydrogen bonds between complementary nitrogenous bases.

Front

What is the role of the sugar in a nucleotide?

Back

To form the backbone of the DNA structure.