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Unit 2 of 6

Unit 2: Cells, Development, Biodiversity and Conservation

Edexcel IAL Biology · Linear · 27 lessons · 7 quizzes

Start the first lesson

2.0

Overview: Cells, Development, Biodiversity and Conservation5 min

2.2

Unit 2 — Complete A Level and AS source20 min

2.1

SNAB Cell Structure & Organisation20 min

2.2

SNAB Reproduction & Inheritance20 min

2.3

SNAB Cell Division20 min

2.4

SNAB Differentiation & Variation20 min

2.5

SNAB Biodiversity20 min

2.6

SNAB Resources from Plants20 min

2.9

Unit 2 - Assignment: Cells, Development, Biodiversity and Conservation20 min

2.1.1

Properties of Gas Exchange Surfaces20 min

2.1.3

Core Practical 3: Investigating Membrane Structure and Permeability20 min

2.1.4

2.1.5

Diffusion, Facilitated Diffusion and Active Transport20 min

2.2.1

Amino Acids, Proteins and Protein Structure20 min

2.2.2

Enzymes - Roles and Modes of Action20 min

2.2.3

Core Practical 4 - Investigating the Rate of Enzyme Reactions20 min

2.2.4

Nucleotides, DNA and RNA, Base Pairing20 min

2.3.1

DNA Replication20 min

2.3.2

The Nature of the Genetic Code20 min

2.3.3

How Bases Code for a Polypeptide Chain20 min

2.3.4

Transcription and Translation20 min

2.4.1

Mutations20 min

2.4.2

Patterns of Inheritance and Sex Linkage20 min

2.4.3

Cystic Fibrosis20 min

2.4.4

Genetic Screening20 min

2.4.5

Ethical and Social Issues of Genetic Screening20 min

8.4.3

Transfer of Recombinant DNA into Other Cells20 min

Practice for this unit

SNAB Cell Structure & Organisation - Check yourself

Marked questions with instant feedback and a full review.

Mitosis and stem cells — image-based practice (1 question)

Marked questions with instant feedback and a full review.

SNAB Cell Division - Check yourself

Marked questions with instant feedback and a full review.

SNAB Differentiation & Variation - Check yourself

Marked questions with instant feedback and a full review.

SNAB Biodiversity - Check yourself

Marked questions with instant feedback and a full review.

2.6 SNAB Resources from Plants – Exam questions

Marked questions with instant feedback and a full review.

Cells, Development, Biodiversity and Conservation — Past papers

Marked questions with instant feedback and a full review.