Nitrogenous bases | Dna structures

Question 1

Nitrogenous bases and two types of bases

Answer 1

Nitrogenous bases

Purines: Double ring structures, Thymine and Cytosine
Pyrimidines: Single ring structures, Adenine and Guanine

Question 2

DOUBLE HELIX structures

Answer 2

Ladder like shape, to compact, make smaller so it can fit
Anti parallel
Double stranded
Strands are connected via hydrogen bonds

Question 3

Functions of gene

Answer 3

Specific sequence of dna that encodes for a protein that determines a trait