Unit 5 - Energy transfers in and between organisms
Class notes
Energy transfer in and between organisms Condensed Notes
8 views 0 purchase
Course
Unit 5 - Energy transfers in and between organisms
Institution
AQA
The following document contains my structured and easy to read condensed notes filled with great diagrams for all of Biology AQA A level. The boxes for every chapter contain all the concepts you need to know for each chapter with the notes are followed below. Notes are bite sized and will help with...
Unit 5 - Energy transfers in and between organisms
All documents for this subject (152)
Seller
Follow
lydiashabong
Content preview
Energy transfer in and between organisms
● Photosynthesis
○ Light dependant reaction in the grana/thylakoids
○ Light independent reaction/Calvin cycle in the stroma
● Respiration
○ Glycolysis
○ Aerobic respiration
■ Link reaction
■ Krebs cycle
■ Oxidative phosphorylation
○ Anaerobic respiration
■ Lactate (animals)
■ Ethanol and CO2 (plants and microorganisms)
● Energy and ecosystems
○ Food chains
■ Biomass
■ Productivity
○ Use of natural and artificial fertiliser
○ Nutrient cycles
■ Carbon cycle
■ Nitrogen cycle
■ Phosphorus cycle
● Biological processes need energy
● Photosynthesis
○ Stores energy in glucose
, ○ In the chloroplasts
■ The light dependant reaction (LDR)
● Needs light energy
● In the thylakoid membranes
● Photoionisation - oxidation of chlorophyll using light energy
● Photolysis
● Photophosphorylation - cyclic/non-cyclic
■ The light independent reaction (LIR)/calvin cycle
● In the stroma
● CO2 reacts with RuBP to form 2 molecules of GP, catalysed by
rubisco enzyme
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller lydiashabong. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $5.16. You're not tied to anything after your purchase.
