Class notes
Class notes Biology (SBIO000)
- Course
- Biology (SBIO000)
- Institution
- University Of South Africa (Unisa)
EXPLANATION OF ALL DNA PROCESSES, DEEP DIVE IN TRANSLATION AND TRANSCRIPTION PROCESSES.
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TRANSCRIPTIONAND TRANSLATION
Ms KC Malakane
,WE NOW KNOW THAT
In the nucleus of each cell, there
are chromosomes
Chromosomes are microscopic,
thread-like strands composed of
DNA molecule
On a DNA molecule there is a
segment of DNA that codes for a
particular gene (trait) e.g.
albinism or blue eyes
,WE ALSO KNOW THE BUILDING
BLOCK OF MACROMOLECULES;
NUCLEIC ACIDS AND PROTEINS
NUCLEIC ACIDS
• Monomers – nucleotides → Polymers – nucleic acid
PROTEINS
• Monomer – amino acid → Polymer – polypeptides
, SO TODAY YOU ARE GOING TO
LEARN HOW THE GENE IS
EXPRESSED INTO A PROTEIN
Basically,
• The segment of a DNA molecule (gene i.e. trait) is
expressed in a form of protein which will be able
control various/designated chemical processes with
the cell
one gene = one polypeptide
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