Structure Of DNA And RNA Flashcards
What are ribosomes formed from
RNA and proteins
What are both DNA and RNA polymers of
Nucleotides
What is each nucleotide formed from
A pentose
What are the components of a DNA nucleotide
Deoxyribose
phosphate group
and one of the organic bases adenine,cytosine,guanine or thymine
What are all of the organic bases
Adenine,cytosine,guanine,or thymine
What are the components of an RNA nucleotide
Are ribose,
a phosphate group,
and one of the organic bases adenine,cytosine,guanine,uracil
What is DNA and what is it made up of
A polymer. Which is made up of nucleotide molecules joined together by phosphodiester bonds
What type of structure is dna
A double helix structure
.the chains twist into a helical shape
What are the bonds between bases known as
Complementary based pairing: adenine forms 2 hydrogen bonds with thymine and cytosine forms 3 hydrogen bonds with guanine.
Where are the sugar and phosphates on the structure
The sugar and phosphates are on the outside of the structure and is known as a sugar phosphate back bone
The strands are anti parallel,what does this mean
They run in the opposite direction of each other
What is the structural advantage of DNA being long
Tires alot of information
What is the structural advantage of DNA being helical
It is compact
What is the structural advantage of DNA being double stranded
Each strand acts as a template for DNA replication
What is the structural advantage of DNA having a sugar phosphate background
Provide strength and stability and protects the bases within the helix
