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Details

Genetic Material
Biochem Test IV
18
Biochemistry
Professional
11/22/2013

Additional Biochemistry Flashcards

 


 

Cards

Term
Structural difference between purine and pyrimidines
Definition
Cut pie pyrimidine are ring like
Term
What keeps the DNA together in a single polhmer
Definition
diesther phosphate bonds
Term
Where do the bonds happen on a sugar?
Definition
3 and 5 carbons
Term
In what directing does the DNA code read?
Definition
5' to 3' end
Term
What holds together the two strands of DNA
Definition
Hydrogen bonds between G-C and T-A.
Is antiparallel
Term
How many turns in a turn of a double helix
Definition
10
Term
How many hydrogen bonds form between pairs?
Definition
G-C-3. And AT-2
Term
Significance of base pairing?
Definition
Suggests mechanism for replicating while preserving genetic info. Prevents loss of information
Term
What hand is DNA?
Definition
A and b DNA are Right handed. Some left handed exists but function is unknown. (z-dna)
Term
How much DNA makes up protein coding genes?
Definition
10%
Term
What are pseduogenes
Definition
Non functional remnants of genes
Term
Each cell contains 2 meters of DNA. How does it all fit?
Definition
140 bp of DNA wraps around Histonesand are called Nucleosomes
Term
What charge do Histone
Definition
positive
Term
When Histone form together what is made?
Definition
chromatin
Term
What are epigenetics
Definition
Heritable changes the phenotype or gene expression caused by mechanisms other than the DNA sequence.
Term
What are the mechanisms of epigenetic
Definition
Post-translational modification of Hiltons. methylation of DNA
Term
Super secret question 1
Definition
Know what Chromatin is
Term
Super secret question 2
Definition
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