Chromosomes
What is a condensed strand of DNA?
chromosome
What is a series of events that takes place in a cell as it grows and divides?
Cell Cycle
True or false..DNA is shaped as a double helix.
True
DNA replication begins at the..
Origin of replication.
What breaks the hydrogen bonds between nitrogenous bases.
DNA helicase enzyme
What is a section of DNA called?
A gene
Three stages of interphase..
G1, S, G2
DNA contains 4 different nitrogenous bases..
(A, T, G, C).
DNA is built in what direction...
5’ to 3’
What joins nucleotides to create the new strands of DNA.
DNA polymerase
What is the loose DNA found in interphase
Chromatin
Two stages in the Mitotic Phase?
Mitosis, Cytokinesis
he building block monomer of DNA is called a
Nucleotide
True or false... replication forks don't move in opposite directions.
False
When cells divide, the DNA condenses into..
Chromosomes.
What is the set of genes that are found in the nucleus of human somatic cells (body cells)?
The human genome
1st “gap” phase...
G1
What keeps the two strands of DNA together.
Hydrogen bonds
What forms along with replication forks.
A replication bubble
backbone” is made up of
Deoxyribose sugar and phosphate
the replicated DNA is attached at the...
centromere.
When the cytoplasm is split...
Cytokinesis
True or false.. A purine doesn't always bonds with a pyrimidine.
False
Lagging strand is built in sections called...
Okazaki fragments
DNA wraps around proteins called..
Histones.