3756123
Beschreibung
Mindmap von katy stopforth, aktualisiert more than 1 year ago
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Erstellt von katy stopforth
vor etwa 9 Jahre
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F212 - Nucleic Acids
- DNA
- double stranded
- Nitrogenous Bases
- Adenine
- Thymine
- Cytosine
- Guanine
- Adenine
- a polynuleotide
- Semi-Conservative Replication
- 1. DNA
unwinds
- 2. DNA helicase unzips the DNA
- breaks the hydrogen
bonds
- forms two separate
strands
- act as
templates
- act as
templates
- breaks the hydrogen
bonds
- 3. Free DNA nucleotides join to the
bases
- complementary base
pairing
- purine to
pyramidine
- purine to
pyramidine
- complementary base
pairing
- 4. DNA polymerase joins the new nuelotides by
strong covalent bonds
- forming sugar-phosphate
backbone
- forming sugar-phosphate
backbone
- 5. winding enzyme reforms
double helix structure
- 1. DNA
unwinds
- double stranded
- RNA
- Nitrogenous Bases
- Adenine
- Uracil
- Cytosine
- Guanine
- Adenine
- a polynucleotide
- single stranded
- Nitrogenous Bases
- Nitrogenous Bases
- Pyramidines
- Thymine
- Cytosine
- Uracil
- Thymine
- Purines
- Adenine
- Guanine
- Adenine
- Combinations
- A,T or A,U
- two hydrogen bonds
- two hydrogen bonds
- G,C
- three hydrogen bonds
- three hydrogen bonds
- anti-parallel strands
- in DNA - the strand twist to
from a 'double helix'
- in DNA - the strand twist to
from a 'double helix'
- A,T or A,U
- Pyramidines
- Genes
- a sequence of DNA nucleotides that codes
for a polypeptide
- a sequence of DNA nucleotides that codes
for a polypeptide
- Role of DNA and RNA
- 1. required gene exposed by splitting hydrogen bonds in that section of the DNA
- 2. RNA created a complementary strand
- mRNA
- mRNA
- 3. mRNA leaves nucleis through nuclear pore and attaches to ribosome
- 4. tRNA brings amino acids to the ribosome in the correct order
- according to base sequence
- according to base sequence
- 5. amino acids joined together by peptide bonds
- gives a protein with a specific tertiary structure
- gives a protein with a specific tertiary structure
- 1. required gene exposed by splitting hydrogen bonds in that section of the DNA
Medienanhänge
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