Genetics/DNA Flashcards
1
Q
How many nucleotide are there?
A
4
2
Q
What is another name for nucleotide?
A
base
3
Q
What are the four nucleotides
A
adenine, guanine, cytosine, and thymine
4
Q
What is the structure of DNA
A
a strand
5
Q
what is the backbone of the strand made of
A
phosphate and sugar
6
Q
How is the strand read
A
3’ to 5’
7
Q
what does ‘ mean when referring to 3 and 5
A
prime
8
Q
what are the two ends called on DNA
A
3’ and 5’
9
Q
what is step two of the DNA structure
A
two strands together
10
Q
What is the term used to stick the strands together
A
base pairing
11
Q
what is T always bonded with
A
A
12
Q
What is G always bonded with
A
C
13
Q
What is the name of the whole structure of DNA
A
Double stranded helix
14
Q
how many letters code for one amino acid
A
three
15
Q
what are the three letters called
A
codon
