Biology A-Level
Disaccharides and polysaccharides
What Disaccharides and polysaccharides means in Biology A-Level, as defined for OCR.
Definition of Disaccharides and polysaccharides
Check what you remember
Read the wording for your board, then hide it and explain Disaccharides and polysaccharides in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Two monosaccharides joined by a glycosidic bond give a disaccharide; many monosaccharides joined this way give a polysaccharide.
Topics that use Disaccharides and polysaccharides
- Biological molecules (OCR A-Level)
Related terms
- amylose and amylopectin
- Benedict's test for reducing and non-reducing sugars
- Biuret test for proteins
- Bonding and R-group interactions
- Carbon, hydrogen and oxygen
- Cellulose and microfibrils
- Cholesterol
- Cohesion and surface tension
Using Disaccharides and polysaccharides in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Biology questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Biology A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge