DNA Structure and Replication Landes Flashcards
1
Q
DNA
A
a nucleic acid that carries the genetic instructions for all of the proteins in the body
2
Q
Nitrogenous base
A
The 4 bases (adenine, thymine, guanine, cytosine) of a nucleotide and the order of the bases determines your traits
3
Q
What is the shape of DNA?
A
double helix
4
Q
What is the name of the weak bond that connects the nitrogenous bases?
A
Hydrogen bond
5
Q
What is the name of the building block of DNA (monomer)?
A
Nucleotide
6
Q
A section of DNA is called a…
A
gene
7
Q
The backbone of DNA is made up of
A
a sugar-phosphate backbone
8
Q
The three parts of a nucleotide are:
A
- Phosphate group 2. Deoxyribose sugar 3. Nitrogenous base
(Remember PeaNut butter and Jelly)
9
Q
The enzyme that unzips and unwinds DNA during replication
A
Helicase
10
Q
The enzyme that builds the complementary strand of DNA during DNA replication
A
DNA polymerase
