DNA lecture 3 Flashcards
1
Q
When was initial DNA discovery
A
1869
2
Q
How many strands coil around each other
A
2
3
Q
What does that those strands form
A
Double helix
4
Q
What is between the pairs
A
Bonds
5
Q
How many bases does dna have
A
4
6
Q
Function of DNA
A
responsible for passing genetic information
7
Q
What is semi conservatively
A
2 strands can separate so it can replicate
8
Q
What type of molecule is it
A
Large
9
Q
Shape
A
Helixed /coiled and compact
10
Q
What does base sequence allow
A
Information to be stored and base sequence code for amino acids
11
Q
What type of hydrogen bonds
A
Weak
12
Q
Shape of prokaryotes
A
Small ,circular , not associated with proteins
13
Q
Shape of eukaryotes
A
Long
Thin
Associated with proteins (histones)
14
Q
In eukaryotic cells what is DNA stored as
A
Chromosomes in nucleus
15
Q
How many pairings do humans have
A
23
