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What are some of the key differences between animal and plant cells?

Possibly the most noticeable difference between plant and animal cells is the presence of chloroplasts containing chlorophyll in the plant cells. This chlorophyll is used in photosynthesis, to convert sunlig...
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Answered by Sebastian N. • Biology tutor
9176 Views

The pH of pure water can vary depending on the temperature it is held at. Does that mean pure water can be acidic or alkaline?

Interestingly, pure water will always be neutral, regardless of pH. To understand why, we have to properly look at what pH means. pH is a measure of the number of free H+ ions in a solution or liquid. The am...
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16332 Views

All tickets for a concert are at the same price. Amy and Dan pay £63 altogether for some tickets. Amy pays £24.50 for 7 tickets. How many tickets does Dan buy?

Firstly, we translate the information give into Maths equation. Therefore, A+D=£63 (the amount of many the spend on the tickets). Given the amount spent by Amy, we can find the total amount Dan spends: D=£63...
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Answered by Raluca L. • Maths tutor
3706 Views

What is Phagocytosis

its a process that a phagocyte completes in order to remove any unwanted pathogens and organism. I will show pictures and diagrams explaining the process to the student. once the phagocyte has ingested the u...
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Answered by Musa A. • Biology tutor
3198 Views

How do I answer long answer questions on (eg.) diffusion/active transport/osmosis

So, the first thing to look at in long answer questions is the number of marks they're awarding. The next is to read the question a few times over and make sure you really understand what they're asking from...
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Answered by Stephanie C. • Biology tutor
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