CB3bi DNA Flashcards
1
Q
What is DNA
A
A double-stranded polymer of nucleotides, wound to form a double helix
2
Q
What are the monomers of DNA
A
Nucleotides
3
Q
What are the DNA nucleotides made up of
A
Common sugar
Phosphate group
One of four bases: A, T, C or G
4
Q
State the full names of the four bases found in nucleotides
A
Adenine
Thymine
Cytosine
Guanine
5
Q
Describe how nucleotides interact to form a molecule of DNA
A
Sugar and phosphate molecules join to form a sugar phosphate backbone in each DNA strand
Base connected to each sugar
Complementary base pairs (A pairs with T, C pairs with G) joined by weak hydrogen bonds
6
Q
Define genome
A
The entire genetic material of an organism
7
Q
What is a chromosome
A
A long, coiled molecule of DNA that carries genetic information in the form of genes
