Biology A-Level
energy per gram
What energy per gram means in Biology A-Level, as defined for AQA.
Definition of energy per gram
Check what you remember
Read the wording for your board, then hide it and explain energy per gram in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The high proportion of carbon-hydrogen bonds means about twice as much energy per gram is released as from carbohydrate when oxidised.
Topics that use energy per gram
- Lipids (AQA A-Level)
Related terms
- amphipathic and bilayer formation
- Hydrophobic and amphipathic properties
- hydrophobic core as a barrier
- hydrophobic versus amphipathic
- kinks and packing
- phospholipid as membrane component
- Phospholipid structure
- saturated fatty acids
Using energy per gram 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