Biology > Edexcel Question Paper > Pearson Edexcel Level 3 GCE 9BN0/03 Biology A (Salters Nuffield) Advanced PAPER 3: General and Prac (All)

Also available in bundle ( Click Here )

Pearson Edexcel Level 3 GCE 9BN0/03 Biology A (Salters Nuffield) Advanced PAPER 3: General and Practical Applications in Biology QP

Document Content and Description Below

Pearson Edexcel Level 3 GCE 9BN0/03 Biology A (Salters Nuffield) Advanced PAPER 3: General and Practical Applications in Biology QP Pearson Edexcel Level 3 GCE 9BN0/03 Biology A (Salters Nuffield) A... dvanced PAPER 3: General and Practical Applications in Biology QP Plants can respond to and use light. The photograph shows a seedling starting to grow from a germinating seed. (a) Explain why the seedling needs a supply of magnesium ions. (b) Describe the role of IAA (auxin) in the phototropic response of plants. BLANK PAGE*P65462A0532* Turn over 5 2 Acetylcholinesterase is an enzyme involved in regulating the transmission of nerve impulses across some synapses. (a) Acetylcholinesterase is found on the cell surface membranes of neurones and red blood cells. These acetylcholinesterase molecules have different primary structures. In humans, a single gene codes for acetylcholinesterase. (i) Explain how a single gene can give rise to acetylcholinesterase molecules with different primary structures. (2 [Show More]

Last updated: 2 years ago

Preview 1 out of 32 pages

Buy Now

Instant download

We Accept:

Buy this document to get the full access instantly

Instant Download Access after purchase

Buy Now

Instant download

We Accept:

Report Copyright Violation

Also available in bundle (2)

THIS BUNDLE CONTAINS: Pearson Edexcel Level 3 GCE 9BN0/03 Biology A (Salters Nuffield) Advanced PAPER 3: General and Practical Applications in Biology QUESTION PAPER and MARK SCHEME. November 2021

Pearson Edexcel Level 3 GCE 9BN0/03 Biology A (Salters Nuffield) Advanced PAPER 3: General and Practical Applications in Biology QP Pearson Edexcel GCE In Biology A Salters Nuffiled (9BN0) Paper 3:...

By PAPERS UNLIMITED™ 3 years ago

$16

THIS BUNDLE CONTAINS: OCR GCSE (9–1) Combined Science B (Twenty First Century Science) J260/01, J260/02, J260/03, J260/04, J260/05, J260/06, J260/07, AND J260/08: Combined Science (Higher Tier) General Certificate of Secondary Education Mark Schemes for November 2020

OCR GCSE (9–1) Combined Science B (Twenty First Century Science) J260/01: Biology (Foundation Tier) General Certificate of Secondary Education Mark Scheme for November 2020 OCR GCSE (9–1) Combined...

By PAPERS UNLIMITED™ 3 years ago

$13

148