Show:
A
B
C
D
E
100
What does DNA stand for?
Deoxyribonucleic Acid
100
Describe the basic structure of DNA.
Double Helix
100
What are the four letter that represent the nitrogenous bases in DNA?
A, T, C, G
100
Which of the nitrogenous bases in DNA pair up?
A with T C with G
100
What is the building block (monomer) of DNA?
nucleotide
200
What sugar is found in DNA?
deoxyribose
200
What two components make up the backbone of DNA?
Phosphate and Sugar (Deoxyribose)
200
What three parts make up a nucleotide?
Phosphate group, nitrogenous base, and sugar (deoxyribose)
200
Who are the scientists who discovered the structure of DNA?
Watson and Crick
200
What does the nitrogenous base "A" stand for?
Adenine
300
What does the nitrogenous base "T" stand for?
Thymine
300
What does the nitrogenous base "C" stand for?
Cytosine
300
What does the nitrogenous base "G" stand for?
Guanine
300
How many bonds are between A and T?
2
300
How many bonds are between C and G?
3
400
What nitrogenous bases are purines?
A (Adenine) and G (Guanine)
400
What nitrogenous bases are pyrimidines?
T (Thymine) and C (Cytosine)
400
Chargaff's Rule states that the number of A = _____ and the number of G = _____.
A = T G = C
400
If a DNA strand has 20% A, what percentage of T will it have?
20%
400
If a DNA strand has 45% C, what percentage of G will it have?
45%
500
How many ring(s) does a purine have?
2
500
How many ring(s) does a pyrimidine have?
1
500
If a DNA strand has 25% T, what percentage of G will it have?
25%
500
If a DNA strand has 20% A, what percentage of G will it have?
30% G
500
If a DNA strand has 15% A, what percentage of C will it have?
35% C