Honors DNA Structure and Replication Flashcard

Front

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

Back

Leucine

Front

What molecule makes up the DNA backbone along with the phosphates?

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?

Back

DNA Polymerase III

Front

DNA polymerase can only add new nucleotides in the _________ to ____________ direction

Back

5' to 3'

Front

What are the three parts of a nucleotide?

Back

Deoxyribose sugar, Phosphate, Nitrogen Base

Front

Which enzyme unwinds or unzips the DNA in replication?

Back

Helicase

Front

What is the shape of DNA called?

Back

Double helix

Front

Which base is complimentary to Adenine?

Back

Thymine