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Describe the similarities and differences between the processes of diffusion and osmosis.

Similarities:Molecules move from a higher to lower concentration in both processes - they move down a concentration gradientSo neither process requires energyDifferences:Only water moves by osmosis - whic...

SR
Answered by Sebastian R. Biology tutor
2083 Views

What do we learn about the relationship between Benedick and Beatrice from their opening interaction in 'Much Ado About Nothing'?

The conflict between Beatrice and Benedick dominates the first scene of ‘Much Ado About Nothing’, establishing theirs as one of the major relationships and source of action within the play. However, Beatr...

RD
Answered by Roise D. English tutor
6942 Views

What is a stem cell?

A stem cell is an undifferentiated cell that can differentiate into specialised types of cells such as muscle cells or skin cells. A stem cell can give rise to many cells of the same or different types o...

EG
Answered by Emily G. Biology tutor
1777 Views

Work out 1 1/5 ÷ 3/4. Give your answer as a mixed number in it's simplest form

First we get rid of the first mixed fraction by making it top heavy:1=5/5, therefore 1 1/5= 6/5Then we flip the second fraction to get its reciprocal: 4/3Now we change the sign to multipl...

MC
Answered by Michael C. Maths tutor
8630 Views

A reaction can take place between an acid and an alkali: a) Name this type of reaction. (1 mark) b) Write a word equation that shows the reaction between nitric acid and potassium hydroxide. (1 mark) c) Write the symbolic equation (1 mark)

AnswerAnswer outline and marking scheme for question: 2a)

SC
Answered by satvir c. Chemistry tutor
1907 Views

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