Biology A-Level
Bonding and R-group interactions
What Bonding and R-group interactions means in Biology A-Level, as defined for OCR.
Definition of Bonding and R-group interactions
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Reference: OCR
Peptide bonds hold the primary sequence, hydrogen bonds between backbone C=O and N–H groups hold secondary structure, and hydrogen bonds, ionic bonds, hydrophobic interactions and disulfide bridges between R groups hold tertiary structure.
Topics that use Bonding and R-group interactions
- Biological molecules (OCR A-Level)
Related terms
- amylose and amylopectin
- Benedict's test for reducing and non-reducing sugars
- Biuret test for proteins
- Carbon, hydrogen and oxygen
- Cellulose and microfibrils
- Cholesterol
- Cohesion and surface tension
- Collagen
Using Bonding and R-group interactions in the exam
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