8509519
Description
Mind Map by freya hinks, updated more than 1 year ago
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Created by freya hinks
over 7 years ago
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the functions of nucleic acids
- storage
- double helix
- prokaryotes
- liner DNA that exists as chromosomes
- long DNA
- wrapped around histones
- triplets / codons
- liner DNA that exists as chromosomes
- eukaryotes
- circular chromosome
- short DNA
- supercoiled to fit in cell
- circular chromosome
- prokaryotes
- double helix
- ribonucleic acid
- protein synthesis
- 1st stage, transcription
- mRNA
- a complementary copy of DNA strand
- carries the genetic code
from DNA to the
ribosomes to make a
protein
- made during transcription by RNA
polymerase
- a complementary copy of DNA strand
- eukaryotes copy introns and exons
/ pre mRNA
- splicing then occurs in the nucleus producing mRNA
- splicing then occurs in the nucleus producing mRNA
- prokaryotes copy all DNA
- mRNA
- 2nd stage, translation
- tRNA
- has an amino acid binding site on it
- has an anticodon thats
complementary to the
first codon
- it carries the amino acids used to produce the protein
- in a clover shape
- has an amino acid binding site on it
- tRNA
- 1st stage, transcription
- single stranded
- phosphate group, pentose sugar and 4 base pairs
- adenine (A), uracil (U), cytosine (C), guanine (G)
- adenine (A), thymine (T), cytosine (C), guanine (G)
- complementary base pairing, A and T, C and G
- adenine (A), uracil (U), cytosine (C), guanine (G)
- protein synthesis
- deoxyribonucleic acid
- double stranded
- amino acids
- universal
- the same triplets code for the same
amino acids in all living organisms
- the same triplets code for the same
amino acids in all living organisms
- degenerate
- some amino acids are coded for
by more than one base triplet
- some amino acids are coded for
by more than one base triplet
- non overlapping
- one triplet produces one amino acid
- read in sequence
- one triplet produces one amino acid
- universal
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