CB3

Question 1

DNA is made out of how many strands?

Answer 1

2

Question 2

what is the shape of DNA called?`

Answer 2

double helix

Question 3

what are the 3 parts of a nucleotide ?

Answer 3

phosphate
sugar (deoxyribose)
base

Question 4

one strand of DNA is a

Answer 4

polymer

Question 5

what are the 4 bases?

Answer 5

Adenine
Thymine
Cytosine
Guanine

Question 6

what are the letters of the four bases?

Answer 6

ATCG

Question 7

how do two nucleotides join?

Answer 7

a sugar will join to a phosphate and a phosphate will join to a sugar creating a sugar-phosphate backbone

Question 8

what is it called when a sugar joins a phosphate and a phosphate joins a sugar?

Answer 8

sugar-phosphate backbone

Question 9

a sugar-phosphate is a

Answer 9

protective outer case for the bases

Question 10

what are the complimentary base pairings?

Answer 10

A+T and G+C

Question 11

what are three bases called?

Answer 11

triplets

Question 12

What do triplets code?

Answer 12

amino acids

Question 13

what’s a sequence of bases

Answer 13

genetic code

Question 14

what’s a genetic code

Answer 14

a sequence of bases

Question 15

what does a sequence of amino acids make/

Answer 15

protein

Question 16

what are the 3 main uses of protein

Answer 16

enzymes
hormones
structural proteins