Charlotte C. A Level Biology tutor
£20 /hr

Charlotte C.

Degree: Biological Sciences (Masters) - Durham University

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About me

Hi! If you're looking at my profile, you're probably finding Biology a bit tricky and just need a hand understanding some of the (admittedly complicated!) parts of the course. You'll be relieved to hear that I was once in your shoes - but with some hard work and patient teachers, anyone can get to grips with the incredible intricacies of biological sciences.

I'm studying at Durham University, and before my degree I took part in helping peers in college drop-in sessions, so I'm aware of the different ways that people choose to learn.

At A level, understanding + exam technique = success. As tempting as it is to skip the understanding and go straight for past papers, the first stage is vital for the best grades (and part of the enjoyment too!). In our sessions I will ensure that your conceptual understanding is secure, making life easier for you in the long run, and the application of your knowledge to exam questions will become much simpler to work through. I’ll also give lots of handy tips for revision and practise, (eg. try to teach it to someone else!).

My goal for our sessions is that you leave a) understanding the topic and (arguably more important) b) feel confident applying the concepts to other areas of biology. I have found that the best way to learn is to discuss the topic; I can help explain (or in some cases, simply reword!) a part of the course which is giving you confusion. Finally, through our sessions, I hope I can pass on some of my love for the biosciences; after all, enjoyment of a subject is the only sure way to rocket grades! All aspects of biology are interlinked, from protein structure to giant ecosystems: and this diversity of interactions is what makes up all life!

If you have any questions or want to know more, book a 'Meet the Tutor Session' or send me a quick message via this website.

I look forward to helping you master Biology!

Subjects offered

SubjectLevelMy prices
Biology A Level £20 /hr

Qualifications

QualificationLevelGrade
BiologyA-LevelA*
GeographyA-LevelA
English Language and LiteratureA-LevelA*
Extended Project QualificationA-LevelA*
Disclosure and Barring Service

CRB/DBS Standard

No

CRB/DBS Enhanced

No

General Availability

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Questions Charlotte has answered

How does acetylcholine transmit the nervous impulse across a synapse?

An action potential from the axon arrives at the presynaptic neuron, stimulating voltage-gated calcium (Ca2+) ion channels to open. This allows calcium ions to diffuse into the synaptic knob, causing synaptic vesicles containing acetylcholine (the neurotransmitter) to fuse with the presynaptic...

An action potential from the axon arrives at the presynaptic neuron, stimulating voltage-gated calcium (Ca2+) ion channels to open. This allows calcium ions to diffuse into the synaptic knob, causing synaptic vesicles containing acetylcholine (the neurotransmitter) to fuse with the presynaptic membrane and release into the synaptic cleft: exocytosis. Acetylcholine then diffuses across the synaptic cleft and binds to cholinergic receptors on the postsynaptic membrane, causing ligand-gated sodium (Na+) channels to open. This results in the facilitated diffusion of sodium into the postsynaptic membrane - causing an action potential if threshold is reached. Acetylcholinesterase then breaks down the neurotransmitter to prevent continuous stimulation. 

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3 weeks ago

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How does the structure of DNA make it an effective carrier of genetic information?

DNA is a very long molecule (one cell contains about 2 metres of DNA!), meaning its coiled structure around proteins calledhistones allows it to fit into the small space of the nucleus. It also has a double helix structure, making it very stable, and the sugar-phosphate backbone protects the ...

DNA is a very long molecule (one cell contains about 2 metres of DNA!), meaning its coiled structure around proteins called histones allows it to fit into the small space of the nucleus. It also has a double helix structure, making it very stable, and the sugar-phosphate backbone protects the nitrogenous bases from damage (which could lead to mutation). Finally, each nucleotide is paired with a specific other: adenine - thymine, cytosine - guanine, which enables DNA to replicate itself easily and accurately, using the semi-conservative method.

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3 weeks ago

14 views
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