DNA structure and replication

What does DNA stand for?

• deoxyribonucleic acid

• darn nice acid

• dinitrogenous acid

• dinucleus acid

What nitrogenous base pairs with thymine?

• adenine

• thymine

• cytosine

• guanine

What nitrogenous base pairs with adenine?

• adenine

• thymine

• cytosine

• guanine

What nitrogenous base pairs with cytosine?

• adenine

• guanine

• thymine

• cytosine

What nitrogenous baes pairs with guanine?

• guanine

• cytosine

• thymine

• adenine

What are the subunits (building blocks) of DNA called?

• nucleotides

• nucleosomes

• sugars

• nitrogenous bases

Adenine, thymine, guanine, and cytosine are all called

• nitrogenous bases

• deoxyribose sugars

• nucleotides

• phosphates

What are the three parts of a DNA nucleotide?

• deoxyribose sugar, phosphate, nitrogenous base

• deoxyribose sugar, phosphate, nucleic acid

• deoxyribose salt, phosphate, nitrogenous base

• ribose sugar, phosphate, nucleic acid

Which of the following is NOT a correct base pair?

• A - T

• C - G

• T - C

• all these choices are correct

DNA is divided into sections or segments called...

• genes

• proteins

• amino acids

• base pairs