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In Course: GCSE Biology (AQA): Paper 1

GCSE Biology: The Digestive System and Enzymes

This deck covers the principles of biological organisation, from cells to organ systems. You'll explore the human digestive system, learning about the function of each organ. We'll then dive into the world of enzymes, understanding their role as biological catalysts, the lock and key model, and how factors like pH affect their activity. This deck also covers the methods for two required practicals: testing for food molecules and investigating the effect of pH on amylase.

A vibrant, high-contrast, extreme close-up photograph of a fresh, juicy strawberry, partially sliced open, with a delicate, almost crystalline or foamy texture appearing along the cut edge, suggesting a rapid breakdown of its structure. In the soft-focus background, a subtle arrangement of elegant laboratory glassware, like beakers and test tubes, is visible, bathed in warm, natural light, composed for a wide horizontal frame.

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Deck Contents

59 Cards
Lesson#1
In this deck, we'll explore how living things are organised, from the smallest cells to complex organ systems like the digestive system. You'll learn about the journey food takes through your body, and the vital role of enzymes as biological catalysts that break it down. We'll also cover two important required practicals: how to test for different food types, and how to investigate the effect of pH on enzyme activity.
Lesson#2
Multicellular organisms, like humans, have a hierarchical structure. The simplest level is the cell. Groups of similar cells that perform a specific function are called tissues. Different tissues then work together to form an organ, like the stomach or the heart. Finally, groups of organs work together in an organ system, such as the digestive system, to perform a major role in the body.
Quiz#3
What is the term for a group of similar cells working together to perform a specific function?

a tissue

Quiz#4
What is the term for a structure made of different tissues working together to perform a specific function?

an organ

Quiz#5
What is the term for a group of organs working together to perform a major function in the body?

an organ system

Quiz#6
In the levels of organisation in a multicellular organism, what level comes after tissues?

organs

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