DNA: the basis of heredity - Mutations
13 important questions on DNA: the basis of heredity - Mutations
What happens during end modification in RNA processing?
What is the purpose of end modification in RNA processing?
What is the purpose of alternative splicing in RNA processing?
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How can cutting events change the order of the RNA molecule?
What is the purpose of chemical modification in RNA processing?
What is the term for adding a cap and poly A tail to an RNA molecule?
What is the purpose of capping and adding a poly A tail to an RNA molecule?
From mRNA to protein --> Translation
The mRNA is synthesized containing the same sequence as DNA and is then transported into the cytoplasm where it is translated into protein.
The building blocks pf proteins are amino acids.
3nucleotides (codon) in mRNA --> codes for1 amino acid
4 different letters an 3 places -->43 combinations = 64 codons for only 20 amino acids.
Redundancy --> some codons translate nto the same amino acid.
Initiation codon --> to start translation (Aug) usually)
Stop codons --> to stop translation UAA UAG and UGA
What are the properties of nonpolar R groups?
What is the effect of negatively charged R groups on protein structure?
How do polar R groups orient themselves in a protein?
What type of interactions occur between positively and negatively charged R groups within a protein?
What makes nonpolar R groups stick together in a protein?
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