BIO 30_Lec 5_Chemical Basis of Heredity Concepts

Chemical composition of Chromosome

• Lipids
• Proteins
• Nucleic Acids
• Carhohydrates
• Starch

Basic Proteins

• Histones
• Protamines
• Non-histone chromosomal proteins

Acidic Proteins

• Histones
• Protamines
• Non-histone chromosomal proteins

Components of a Nucleotide (DNA monomer)

• Phosphate Group
• 2-Deoxyribose
• Nitrogen base
• Crarbohydrate
• Starch

Component of a nucleotide's nucleoside

• Phosphate Group
• 2-Deoxyribose
• Nitrogen base
• Crarbohydrate
• Starch

Purines

• Adenine
• Guanine
• Thymine
• Cytosine
• Uracil

Pyrimidines

• Adenine
• Guanine
• Thymine
• Cytosine
• Uracil

Which models are A, B, and C respectively?

Site of origin for replication

• Ori-site
• Helicase
• Single-strand binding proteins
• DNA Gyrase
• Ligase

formation of single stranded DNA templates

• Initiation
• Elongation
• Termination