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AICE Biology

Genetic control

QuestionAnswer
What are the 4 nitrogen containing bases of DNA Thymine, Cytosine, Adenine, Guanine
What are the 4 nitrogen containing bases of RNA Adenine, Cytosine, Guanine, Uracil
Pentose sugar in DNA deoxyribose
Pentose sugar in RNA Ribose
What bonds hold 2 sides of DNA together Hydrogen bonds
2 purine bases Adenine and Guanine
2 pyrimidine bases Cytosine and Thymine
Difference between structure purine and pyrimidine purines have two rings pyrimidines have one ring
Complementary base pairing nucleotide bases linked by hydrogen bonds on opposite strands of DNA Guanine CB is Cytosine and Adenine CB is Thymine.
DNA form of strand Double
RNA form of strand Single
Replication occurs nucleus of eukoryotes and cytoplasm of prokoryote
Transcription occurs nucleus unless mRNA is produced in cytoplasm
Translation occurs mRNA is produced in cytoplasm, ribosome.
Messenger RNA function mRNA passes information from DNA to the ribosome, sequence of products of gene expression
Transfer RNA function tRNA physical link between mRNA and amino acid sequence of protein
Ribosomal RNA function rRNA The predominant material within the ribosome
condon 3 base sequence (3 nitrogen bases in a row) on RNA
anticondon 3 base sequence on tRNA
how many amino acids are in most organisms 20
Created by: jcore