Molecular genetics Flashcards
Define a chromosome
a condensed DNA molecule that carries genetic information
In DNA , What is a double strand nucleotide formed from?
Phosphate, sugar and nitrogen bases (A&T and C&G)
What tupe of bond holds together the complimentary nitrogen bases
Hydrogen bonds
Whats a double helix
Two strands of DNA held together by hydrogen bonds that form a spiral shape
which molecules form the backbone and rungs of the double helix
Backbone: sugar & phosphate
Rungs: nitrogen bases
Whats a anti parallel mean in double helix
the two strands that make up the double helix run in opposite directions
What is Mitochondrial DNA ? (mtDNA)
DNA found in all cells passed down in the egg cell from the mother , genetically identical to your mother
What is RNA
> made of
> structure and tole
Ribonucleic Acid
> sugar phosphate and nitrogen bases (U with A , no Thymine , C and G
>Single stranded plays a role in protein synthesis
