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Genetic Code
Nucleic Acids
Question | Answer |
---|---|
What is the Chemical Structure of DNA? | Deoxyribose Nucleotides = Deoxyribose Sugar, Pi and an Organic Base |
What is the shape of DNA? | Double Helix - held together by WEAK Hydrogen bonding between Complimentary Bases |
What part of the cell makes DNA? | DNA is Self-Replicating - given proper environmental conditions |
What is the structure of RNA? | Ribose Nucleotides = Ribose (sugar), Pi, and an Organic Base |
What is the shape of RNA? | Mostly single Helix - no regular base pairing |
When is RNA a double Helix? | when it folds back on itself |
What are the 3 functional types of RNA? | mRNA, tRNA, rRNA |
Which Nucleic Acid is BIGGER? | DNA is bigger than RNA |
What determines the order that AA are lined up in the Protein Product? | the SEQUENCE of Pyrimidine/Purine Bases |
Why would a Genetic Code reading bases in groups of 1 or 2 be unworkable? | 1:4 or 2:16 or 3:64 |
What is the name for the 3 letter words coding for AA in DNA? | Triplets |
Can 1 AA be represented by more than 1 Triplet? | Yes. There are more Triplets than there are Amino Acids |
Can 1 Triplet represent more than 1 AA? | No. Reliability and consistencey are needed |
Do all Triplets code for Amino Acids? | NO. some are Start/Stop Triplets |
Name the Pyrimidine Bases. | Cytosine, Uracil, Thymine |
Name the Purine Bases. | Adenine, Guanine |