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what factors determine enzyme activity?

several factors play a role in the rate of an enzyme catalysed reaction. substrate concentration: The amount of substrate in the solution. The higher the concentration of substrate the more frequently they w...
JL
Answered by Jack L. • Biology tutor
3876 Views

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...
SN
Answered by Sebastian N. • Biology tutor
9093 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...
MA
Answered by Musa A. • Biology tutor
3141 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
5947 Views

What is the basis of DNA replication?

Remembering the steps to DNA replication can be based on your own preference, either with numeric list, diagram or mind maps. I will outline the steps in the form of a list but we can use diagrams/mind maps ...
LB
Answered by Lara B. • Biology tutor
2880 Views