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Biology
IB

Explain the process of transcription in Eukaryotes

Transcription is the process by which a DNA sequence is copied into a complementary RNA sequence. RNA polymerase binds to the promoter region of the DNA chain and causes the unwinding and separation of...

Answered by Heather J. Biology tutor
17238 Views

Explain the process of synaptic transmission

The synapse is the junction between two neurons. When an action potential reaches the synaptic knob of a neuron, voltage-gate calcium channels are opened, causing an influx of positively charged calciu...

Answered by Heather J. Biology tutor
11227 Views

What are the key elements of an internal investigation?

The key elements which will help you achieve top marks in your IA are personal engagement, primary data, data manipulation and findings from other investigations similar. 

Answered by Anna Liisa J. Biology tutor
2322 Views

How can I learn all the difficult memory facts if I am not good at memorisation?

Don't panic! This is a thought that goes through every student who does IB or A Level Biology, and the answer is that there are an endless number of techniques and tricks that can help every different ...

Answered by Ana G. Biology tutor
2144 Views

How does the process of transcription work?

Transcription is the first part of gene expression - making DNA into functional proteins. It occurs in the nucleus of cells. During transcription, information from DNA is trans...

Answered by Anja D. Biology tutor
3083 Views

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