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Biology
GCSE

Name and describe the 4 stages within mitosis? [12 marks]

Prophase [1 mark] nuclear membrane breaks down [1 mark] chromosomes condense [1 mark] Metaphase [ 1 mark] chromosomes are lined up [ 1 mark] along the cell's equator [1 mark]Anaphase [1 mark] one set of c...

Answered by Ismay R. Biology tutor
2107 Views

How are nutrients absorbed into the circulatory system in the small intestine?

Firstly I would ensure the student understands the basic concepts of diffusion and what nutrients are. I would describe how food substances move through the digestive system and break down into amino acid...

Answered by Pippa C. Biology tutor
2302 Views

Explain how carbon is cycled in the environment, including the role of all living organisms and the use of fossil fuels.

This question was taken from a recent past paper.Let's start by working out what the examiner is looking for here. This question makes it quite obvious, as it states the words 'carbon' and 'cycle', tellin...

Answered by Adele P. Biology tutor
4740 Views

How can you tell a cell is an animal and not a plant cell?

Animal cells and plant cells contain structures, called organelles. (ask student what an organelle is; a specialised micro-structure within a cell that has a specific function) Some of these organelles ar...

Answered by Hidaya A. Biology tutor
5006 Views

How can molecules cross a cell membrane?

Semi-permeable membranes in the cell will let some molecules through but not others. There are three main ways in which these molecules can move. 1) Active transportAs the name suggests, here, molecules a...

Answered by John Rhidian T. Biology tutor
2090 Views

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