Describe the benedicts test for non reducing sugars
- heat with HCl 2) neutralise with NAHCO3 3) add benedicts soln and gently heat in a water bath 4) if the soln changes colour from blue to a brick red precipitate, then non reducing sugars were involved, if no colour change is observed then no sugars were present in the sample
SS
Related Biology A Level answers
All answers ▸How does crossing over occur during meiosis?
The black mamba’s toxin kills prey by preventing their breathing. It does this by inhibiting the enzyme acetylcholinesterase at neuromuscular junctions. Use your knowledge of muscle contraction to explain how this prevents breathing.
Describe the process of ventilation, including the difference between active and passive expiration.
Briefly describe the process of mitosis.