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AQA GCSE Biology Paper 1 Exam - Revision Questions and Verified Answers

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AQA GCSE Biology Paper 1 Exam - Revision Questions and Verified Answers How is the real size of a magnified image calculated? - Real size = Image size ÷ Total magnification. What is a eukaryotic cell? - A cell with DNA inside a membrane bound nucleus. Prokaryotic cells do not have a nucleus. Name two differences between a plant cell and a bacterial cell? - Plant cells have a nucleus / plant cells have mitochondria / plant cells have chloroplasts / plant cells have a cellulose cell wall whereas bacteria do not contain any of these structures. Bacteria have chromosomal DNA not in a nucleus and have DNA plasmids whereas plant cells do not contain these structures. How can the rate of diffusion be increased? - Higher temp

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Uploaded on: December 13, 2024
Number of pages: 4
Written in: 2024/2025
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AQA GCSE Biology Paper 1 Exam -

Revision Questions and Verified

Answers

How is the real size of a magnified image calculated? - ✔✔Real size =

Image size ÷ Total magnification.

What is a eukaryotic cell? - ✔✔A cell with DNA inside a membrane bound

nucleus. Prokaryotic cells do not have a nucleus.

Name two differences between a plant cell and a bacterial cell? - ✔✔Plant

cells have a nucleus / plant cells have mitochondria / plant cells have

chloroplasts / plant cells have a cellulose cell wall whereas bacteria do not

contain any of these structures. Bacteria have chromosomal DNA not in a

nucleus and have DNA plasmids whereas plant cells do not contain these

structures.

How can the rate of diffusion be increased? - ✔✔Higher temperature,

Steeper concentration gradient, Shorter diffusion distance

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