DNA Structure and Replication Flashcard

Front

Which of these is not a nitrogenous base? Adenine, Leucine, Guanine, Cytosine

Back

Leucine

Front

What molecule makes up the DNA backbone along with the phosphates? (Options: Base, Sugar, Phosphate group, Hydrogen bond)

Back

Sugar

Front

DNA replication is called ____________________, because one strand is new and one strand is old?

Back

Semi-conservative

Front

What type of bond holds the nitrogen bases together?

Back

Hydrogen bond

Front

During DNA replication, which enzyme adds new nucleotides to build the new strands of DNA? Options: Helicase, DNA Polymerase, Ligase, Pepsin

Back

DNA Polymerase

Front

What are the three parts of a nucleotide? Options: Deoxyribose sugar, Phosphate, Nitrogen Base, Adenine, Phosphate, Helicase, Deoxyribose sugar, Phosphate, Amino Acid, Lipid, Nitrogen Base, Phosphate

Back

Deoxyribose sugar, Phosphate, Nitrogen Base

Front

Which enzyme unwinds or unzips the DNA in replication? Options: Helicase, DNA Polymerase, Ligase, Pepsin

Back

Helicase

Front

What is the shape of DNA called?

Back

Double helix

Front

Which base is complimentary to Adenine?

Back

Thymine

Front

If Cytosine is present at 30%, what is the percent of Adenine?

Back

20%