What is the monomer of a nucleic acid?
What are the two types of nucleic acid?
DNA and RNA
What elements do nucleic acids contain?
Carbon, hydrogen, oxygen, nitrogen and phosphorus.
What are the three components of a nucleotide?
1. A pentose monosaccharide 2. A phosphate group 3. A nitrogenous base
What is the phosphate group used in nucleotides?
Draw the structure of a sugar-phosphate backbone
Draw the structure of a nucleotide
What is the name of the nucleotide polymer?
How are nucleotides linked together to form polymers/
By condensation reactions
What is the name of the bond formed between two nucleotides?
What parts of the nucleotide undergo the condensation reaction?
The phosphate group on one nucleotide and the hydroxyl group n another nucleotide.
Which carbon on the pentose sugar is the phosphate group attached to?
Which carbons on the pentose sugar are the hydroxyl groups attached to?
2nd and 3rd
Which hydroxyl group undergoes the condensation reaction?
What type of bond is formed during the condensation reaction?
What is another name for a polynucleotides?
What are the phosphdiester bonds broken by?
What does DNA stand for?
Draw the structure of deoxyribose
Draw the structure of ribose
What are the 4 bases of DNA?
Which out of the 4 bases is a pyrimidines?
T and C
Which out of the 4 bases is a purines?
A and G
Describe the structure of pyrimides
Smaller with a single carbon ring structure
Describe the structure of purines
Larger with a double carbon ring structure
What does base A stand for?
What does base T stand for?
What does base C stand for?
What does base G stand for?
How are the two strands f the DNA double helix held together?
By hydrogen bonds between the two bases