DNA Part 3 Flashcards
1
Q
What are genes
A
Protein Coding regions of DNA
2
Q
What is human genome
A
Contains instructions for function
3
Q
How many nucleotides in human genome
A
3 billion base pairs, 6 billion total
4
Q
How many different proteins can human body make
A
Over 100k
5
Q
What is coding DNA
A
code for proteins, only 1% is coding DNA
6
Q
What is non coding DNA
A
Don’t have genes to code for protein
7
Q
What non coding sections do
A
Regulate amount and when gene is expressed
8
Q
What is gene expression
A
When protein is produced from a gene
9
Q
What do certain cells do
A
Turn off or on certain genes
10
Q
Gene regulation
A
controls when, where, and how much gene is expressed
11
Q
Chromatine
A
Loosely packed dna
12
Q
Euchromatin
A
Less condensed dna
13
Q
Heterochromatin
A
Densely packed
