in a hole in the ground there lived a hobbit not a nasty dirty wet hole filled with the ends of worms and an oozy smell nor yet a dry bare sandy hole with nothing in it to sit down on or to eat it was a hobbit hole and that means comfort
Secondary StructureChapter One
In a hole in the ground there lived
a hobbit. Not a nasty, dirty, wet hole, filled with the ends of worms and an oozy smell, nor yet a dry, bare, sandy hole with nothing in it to sit down on or to eat: it was a hobbit-hole, and that means comfort.
Tertiary Structure
Quaternary Structure
Primary Structure
Secondary Structure
Tertiary Structure
Quaternary Structure
Protein Structure
Protein Structure
Mutant Proteins
Denatured Proteins
Nucleic Acids
Nucleic Acids
Concept Check Questions
Why does a denatured protein no longer
function normally?
Concept Check Questions
A genetic mutation may change a protein’s
primary structure. Why does this destroy the
protein’s function?
Concept Check Questions
In a DNA double helix, one strand has the sequence:
5’-TAGGCCT-3’List the sequence along the
other strand, clearly indicating 3’ and 5’ ends of the strand.