DNA Flashcards
1
Q
What are chromosomes made from
A
A very long molecule of tightly coiled DNA
2
Q
What is DNA backbone made of
A
Sugar and phosphate
3
Q
What are the bases called
A
Adenine & thymine
Cytosine & guanine
4
Q
What are proteins
A
Long chains of amino acids
5
Q
How many types of amino acids are there
A
20
6
Q
Do genes make proteins
A
No, they just contain instructions to make them m. DNA is contained in the nucleus but proteins are built in the cytoplasm
