COL: Nucleic acids

Question 1

How many nucleotides does DNA pack in one cell?

Answer 1

packing 300 000 000 nucleotides in 1 cell!
• DNA is tightly wound

Question 2

What are histones?

Answer 2

Histones are proteins that help organize DNA into chromosomes and regulate gene activity

Question 3

What are genes?

Answer 3

a sequence of
nucleotides, which code for a specific protein / characteristic

Question 4

What are Nucleic acids ?

Answer 4

Transfer genetic information
• Determine which protein is produced by the cell
• Contain C, H, O, N, P
• Made up of building blocks: nucleotides

Question 5

What are the 2 types of Nucleic acids ?

Answer 5

DNA - Deoxyribonucleic acid (found in the nucleus
Stores hereditary info )

RNA - Ribonucleic acid (found in the nucleolus, cytoplasm, and ribosomes and build the required proteins from amino acids)

Question 6

What is the structure of DNA ?

Answer 6

• A double helix
• Sugar-Phosphate backbone
connected by base pairs
• Bases are connected by weak
Hydgrogen bonds
• Deoxyribose sugar
• Nitrogen bases:
• Adenine
• Thymine
• Guanine
• Cytosine