DNA Purpose, Structure, and Function Exam Review

Watson and Crick determined that the shape of the DNA molecule is a

• circle

• helix

• double helix

• rectangle

Which of the following is not a component of DNA?

• 5 Carbon Sugar

• Phosphate Group

• Carbon Base

• Nitrogen Base

Which of the following is not a nitrogen base found in DNA?

• Thymine

• Uracil 

• Guanine

• Adenine

According to Chargaff's rule, Cytosine always pair with

• Adenine

• Uracil

• Thymine

• Gaunine

Which of the following is not a nitrogen base found in DNA?

• Thymine

• Uracil 

• Guanine

• Adenine

Which of the following base pairs would be found in DNA?

• Adenine - Thymine

• Adenine - Cytosine

• Guanine - Thymine

• Cytosine - Thymine

Is this a picture of DNA? Why?

• Yes, the molecule in the picture is single stranded

• No, the molecule in the picture it is double stranded

• No, the molecule in the picture it is single stranded

• Yes, the molecule in the picture it is double stranded

ATCGTGTGCAT will bind to

• ATAGATGACCA

• TAGCACACGTA

• AAAATCCTCTA

• TACCACACGAA

The presence of DNA is important for cellular metabolic activities because DNA:

• Is the major component of the cytoplasm

• Directly increases the solubility of nutrients

• Directs the production of proteins

• Is a structural component of cell membranes

Deoxyribonucleic Acid: a macromolecule that is responsible for storing and passing on genetic information.

• RNA

• DNA

• Protein

• Ribosomes