DNA
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What is DNA methylation
the biological process by which methyl groups are added to the DNA molecule. it is an epigenetic mechanism used by cells to control gene expression
What is a histone
Basic protein that associates with DNA in the nucleus and helps condense it into chromatin
what is a chromatin
A mix of DNA and proteins in a chromosome
Shape of DNA
double helix
what are the 4 nitrogen bases? and in what ways will they bond?
Adenine (A) Thymine (T) Cytosine (C) Guanine (G) Adenine ——–> Thymine Gunine ———-> Cytosine
Describe DNA replication
DNA unzips DNA replication Proof reading of DNA
What takes DNA code from nucleus to ribosome why is it necessary for this role
Messenger RNA (mRNA Because the information in DNA can not be decoded directly into proteins. it is first transcribed or copied
What does mRNA stand for
Messenger RNA
What does DNA stand for
deoxyribonucleic acid