DNA -1
DNA - 2
DNA - 3
100
DNA is an example of...
Nucleic Acid
100
Hydrogen bonds are strong bonds that maintain the strand integrity of the sugar-phosphate backbone.
False
100
According to Chargaff's rules, if a DNA sample contains 20% Guanine, what percentage of Adenine would be present?
30%
200
DNA replication is described as "semiconservative" because each new DNA molecule is made up of:
One original and one new strand
200
What are formed by pairs of nitrogenous bases?
Rungs of the DNA double helix
200
What type of chemical bond connects the deoxyribose sugar of one nucleotide to the phosphate group of the next nucleotide in the DNA backbone?
Covalent bond
300
Which component is the 5-carbon sugar that forms part of the backbone of the DNA structure?
Deoxyribose
300
What is the name of the component of a nucleotide that is labeled B.
Phosphate Group
300
Which type of bond connects complementary base pairs (like Adenine and Thymine) and can be broken during DNA replication?
Hydrogen Bonds
400
Each Nucleotide is made up of three components...
1. Deoxyribose (5 Carbon Sugar)
2. Phosphate group
3. Nitrogenous Base
400
Which enzyme is the principal enzyme responsible for adding individual nucleotides to produce new complementary DNA strands during replication?
DNA Polymerase
400
True or False. The nitrogenous bases that make up DNA nucleotides are Adenine, Guanine, Cytosine, and Uracil.
False
500
What is the complementary sequence for the DNA strand: ATGCATGC?
TACGTACG
500
What forms between certain nitrogenous bases, providing just enough force to hold two strands together?
Hydrogen Bonds
500
In complementary base pairing, which base always pairs with Cytosine in a DNA double helix?
Guanine (G)