English National Curriculum - Science
Mission Objectives
Explain what an enzyme is and why we need them
Describe the lock and key theory of enzyme action
Explain how enzymes are used to break down larger food molecules
Save files related to this lesson
Words and meanings to learn
carbohydrase
an enzyme which breaks down carbohydrates into glucose.
protease
an enzyme which breaks down proteins into amino acids.
lipase
an enzyme which breaks down fats into one glycerol molecule and three fatty acid chains
active site
the part of the enzyme which is responsible for binding and breaking down the substrate.
lock and key theory
the theory that the enzyme signifies a lock and the substrate a key which is specific to that lock.
Samantha is an accomplished science educator whose current work centres on curriculum design and professional development, supporting teachers to deliver high-quality science education through evidence-informed approaches. She is a former Head of Chemistry and Sixth Form Tutor with extensive Key Stage 4 and 5 experience, and has worked as an AQA examiner, giving her valuable insight into assessment standards and what students need to succeed.
Underpinning this is a strong foundation in applied science built across a range of industry roles. Samantha has held scientific roles at John Smith's Brewery, Yorkshire Water and WasteCare, where she led technical projects, drove operational efficiencies and ensured compliance with industry standards. Across these roles she has first-hand experience of how scientific knowledge translates into measurable outcomes in professional and commercial environments.
In her spare time, Samantha enjoys playing the accordion with her local orchestra and has recently taken up cricket.
Expert film
Mission assignment film
Address
Developing Experts Limited
Exchange Street Buildings
35-37 Exchange Street
Norwich
NR2 1DP
UK
Phone
01603 273515
Email
[email protected]
Copyright 2026 Developing Experts, All rights reserved.
Unlock expert-designed lessons, resources, and assessments tailored for educators. No credit card required.
Claim Your Free Trial →We use cookies to enhance your browsing experience and analyze our traffic. Learn more.