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Outline the stages of phagocytosis

Phagocytes recognise and bind pathogens through chemical attraction and receptors. Phagocytes (white blood cells) engulf the pathogen so it is contained within the cell in a phagosome. Lysosome containing...

Answered by • Biology tutor

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A student investigates phototropism in wheat seedlings. She cuts the tips off some of her seedlings. She leaves the seedlings in the window. Two days later the seedlings have bent towards the light. Describe and explain these findings.

removing tips removes auxin so growth stopsauxin collects on the shaded sideauxin causes cell elongation on the shaded sideelongation on one side causes shoot to bend to the other sidethis is positive pho...

Answered by Amina A. • Biology tutor

2574 Views

What is the difference between the "passé composé" and the "imparfait"?

The passé composé and the imparfait are difficult for English speakers, as they do not translate directly into English.The passeé composé is used for completed actions in the past, while the imperfect is ...

Answered by Sophie C. • French tutor

1936 Views

Solve the following simultaneous equation: x^2 + y^2 = 9 X+y=2

X 2.87 or -0.87y-0.87 or 2.87

Answered by Ryan M. • Maths tutor

2665 Views

Outline three ways in which family structure may affect achievement (6 marks)

This is a 6 mark question, so for a student to achieve all 6 marks:List 3 factorsExplain each factor
Here are some possible factors and explanations:Single parent families may lack resources needed t...

Answered by Aadam A. • Sociology tutor

2631 Views