Name a non-reducing sugar and outline a test which can identify its presence. (6)

Sucrose (1)Rule out reducing sugars - heat in a water bath. Add Benedict's solution. Should remain blue. (1)Add dilute HCl to a new sample and heat in a water bath (1)Neutralise with NaHCO3 (1)Add Benedict's reagent (1)If positive, a brick red precipitate is formed (1)

AR
Answered by Annie R. Biology tutor

3918 Views

See similar Biology A Level tutors

Related Biology A Level answers

All answers ▸

The genotypes of 2 guinea pigs, for 2 traits are represented as AABB and aabb. The guinea pigs are mated and the offspring eventually mate with eachother. Of the second generation, what genotypes would be phenotypically different from the originals?


How is water reabsorption carried out in the kidney?


What does heat do to an enzyme and why can enzymes not be 'killed'?


Describe and explain the differences in the function of the sympathetic and parasympathetic nervous systems.


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning