Written by students who passed Immediately available after payment Read online or as PDF Wrong document? Swap it for free 4.6 TrustPilot
logo-home
logo
To add items to your wishlist, you must be logged in
Document preview thumbnail
Preview 4 out of 51 pages
Lecture notes

A Level Biology: Enzymes

0.0
(0 reviews)
- sold
51 pages
2025/2026 Written for academic year
Institution OCR
Module Chapter 4: Enzymes
Document preview thumbnail
Preview 4 out of 51 pages

Specifically for OCR (A) A Level Biology, Chapter 4: Enzymes, notes, but can be used and applied to all exam boards.

Content preview

CHAPTER 4
Enzymes

,What this chapter consists of :

,What is an enzyme?
◦ Are biological catalysts which speed up the rate of
reaction and lower the activation energy without being
used up


◦ They are proteins – (globular proteins) chap3!!

, Mechanism of enzymes

Table of contents

  1. 01 CHAPTER 4 1
    1. What is an enzyme? 3
    2. Mechanism of enzymes 4
    3. Active site is the area of the enzyme where the substrate binds 5
    4. Enzymes are specific to substrates they bind to 5
    5. Two types of enzymes 13
    6. Extracellular 13
    7. Intracellular 13
    8. FACTORS AFFECTING ENZYMES 16
    9. How does an enzyme substrate reaction happen? 17
    10. TEMPERATURE 18
    11. High temperature 19
    12. SUBSTRATE CONCENTRATION 26
    13. ENZYME CONCENTRATION 27
    14. END PRODUCT INHIBITOR 47

Document information

Study Level
A/AS Level
Subject
Biology A
Uploaded on
July 7, 2026
Number of pages
51
Written in
2025/2026
Type
Lecture notes
Professor(s)
A
Contains
All classes
Report Copyright Violation
£7.93
Wrong document? Swap it for free Within 14 days of purchase and before downloading, you can choose a different document. You can simply spend the amount again.
Written by students who passed
Immediately available after payment
Read online or as PDF
Seller avatar
aizasyed
Sold
0
Followers
0
Items
4
Last sold
-

Browse related subjects

Subjects

More courses for OCR > Biology A

Why students choose Stuvia

Created by fellow students, verified by reviews

Quality you can trust: written by students who passed their exams and reviewed by others who've used these revision notes.

Didn't get what you expected? Choose another document

No problem! You can straightaway pick a different document that better suits what you're after.

Pay as you like, start learning straight away

No subscription, no commitments. Pay the way you're used to via credit card and download your PDF document instantly.

Student with book image

“Bought, downloaded, and smashed it. It really can be that simple.”

Alisha Student

Working on your references?

Create accurate citations in APA, MLA and Harvard with our free citation generator.

Learn more Create citation
Working on your references?

Frequently asked questions