DNA, RNA, and the Genetic Code (LC 2027) (Leaving Cert Biology): Flashcards
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Role of nucleic acids
Role of nucleic acids
Store and carry genetic information
Two main types of nucleic acids
Two main types of nucleic acids
DNA and RNA
Building blocks of nucleic acids
Building blocks of nucleic acids
Nucleotides
Three components of DNA nucleotide
Three components of DNA nucleotide
Phosphate group, deoxyribose sugar, nitrogenous base
Four nitrogenous bases in DNA
Four nitrogenous bases in DNA
Adenine (A), Thymine (T), Guanine (G), Cytosine (C)
H bonds in A-T base pairing
H bonds in A-T base pairing
2 hydrogen bonds
H bonds in G-C base pairing
H bonds in G-C base pairing
3 hydrogen bonds
Adenine pairs with (in DNA)
Adenine pairs with (in DNA)
Thymine (T)
DNA structure shape
DNA structure shape
Double helix
RNA base replacing thymine
RNA base replacing thymine
Uracil (U)
Sugar in RNA
Sugar in RNA
Ribose
Sugar in DNA
Sugar in DNA
Deoxyribose
DNA vs RNA: strand structure
DNA vs RNA: strand structure
DNA double-stranded; RNA single-stranded
Chromosome composition (protein/DNA %)
Chromosome composition (protein/DNA %)
60% protein, 40% DNA
Definition of genes
Definition of genes
Specific sections of DNA