AQA A-Level Biology Topic 1: Biological Molecules Latest Update 2026/2027
Which part of a phospholipid is hydrophilic and which part is hydrophobic? -Answer--The phosphate group is hydrophilic and the fatty acid tail is hydrophobic. What are triglycerides mainly used for? -Answer--To store energy, they are effective at this as the hydrocarbon tails contain a lot of energy. They are also insoluble so do not affect the wa