what happens in G2
Cell growth
sections of a lagging strand
okazaki fragments
G goes with what?
C
When DNA is loose it is called
chromatin
What happens at the G1 checkpoint?
Are we ready to divide?
What happens in G1
Cell growth
what direction is DNA built ?
5 to 3
A goes with what ?
T
What is a chromosome?
A chromosome is a condensed strand of DNA
what is a centromere.
It attaches two DNA copies
Parts of interphase
G1, G2, S
What does DNA polymerase do ?
DNA polymerase joins nucleotides to create the new strands of DNA.
what is DNA's " backbone" made out of?
deoxyribose sugar and phosphate
A section of DNA is called a
Gene
How long does it take a bacteria to make a copy of itself ?
A few minutes
The parts of the mitotic phase
Mitosis
Cytokinesis
_______ acts like a scissor
Helicase
DNA's shape
Double helix
Somatic cells don't go through mitosis, True or False?
False
A typical human cell might take 24 hours to go through the cell cycle and divide. Other fast dividing cells, like the lining of the intestine, may go through the cycle in 8-9 hours. The lining of the intestine regenerates every 5-7 days.
What stage does DNA synthesis occur ?
S
About how many base pairs of DNA are in your genome?
3 billion base pairs
DNA's full name
Deoxyribonucleic acid
what are somatic cells ?
body cells (not reproductive cells)
What happens at M checkpoint
How's our chromosomal alignment?