Articles

Showing 3 results from a total of 13

Teach

December 10, 2008 | Issue 10

Better milk for cats: immobilised lactase used to make lactose-reduced milk

Dean Madden from the National Centre for Biotechnology Education (NCBE), University of Reading, UK, suggests an experiment to make lactose-free milk – useful both for cats and for the 75% of the world’s human population that are intolerant to this type of sugar.

Ages: 14-16, 16-19;
Topics: Biology, Chemistry
   

Teach

October 2, 2008 | Issue 9

Investigating the action of urease

Anna Lorenc from the Volvox project explains the importance of the enzyme urease and presents a protocol to demonstrate urease activity in the classroom.

Ages: 14-16, 16-19;
Topics: Biology, Chemistry
           

Teach

March 9, 2007 | Issue 4

Two hydrolytic enzymes and an epistemological–historical approach

Why are enzymes so special? How do they differ from inorganic catalysts? Isabella Marini from the University of Pisa, Italy, describes a classroom protocol to enable students to answer these questions for themselves.

Ages: 14-16;
Topics: Biology, Chemistry