Liam N. GCSE Biology tutor, A Level Biology tutor, GCSE Chemistry tut...

Liam N.

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Degree: Medicine (Bachelors) - Birmingham University

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About me

GCSE / GCE tutorials:

I’m a medical student at the University of Birmingham. I’ve always enjoyed science, I also love to guide and help others on these subjects. I certainly have a passion for teaching and learning; in fact, had I not pursued a career in medicine, then I would be looking into becoming a teacher now. Hopefully I can teach as part of my career in the future. I’ve tutored science subjects before, and am eager to experience it online, as I’m sure you are as well.

As for the sessions themselves, they will be very much a reflection of what you want. If you are struggling with a few tricky past papers, we can spend our time going through questions, to ensure you’re aware of where you went wrong. Equally we could go through your particular syllabus, and focus on the most important principle in revising (I believe), understanding. This will be integral to our sessions, as true understanding is the key to real success in science qualifications.

I could get you to take me through a topic, or I could teach it to you. I could even quiz you (this is good to do at the end of the sessions however). It will be entirely what you want, and as we get to know each other it will become clear how you learn best. We have spoken words, written passages, as well as diagrams and videos all at our disposal. I’ll do my very best to make the session engaging for you.

You won’t be forced to do any scary questions unless you want to (though obviously tricky questions are handy to go through for exam preparation), but my point: there’s no need to stress about the sessions. I like to think I’m a very patient person, and I will be committed to ensuring you understand the topic, no matter how long it takes – there is no rush.

It will be important that you send me any exam questions or topic titles that you’re struggling with before a session. This will give us the best use of our time together.

You can email me or book a ‘Meet the tutor’ session if you want to trial a session. I’ll be happy to advise you in any way I can. All the best, and hopefully see you soon!

Medial school preparation course

Having been through UCAS twice I am very aware of how challenging it can be to get into medical school. I can offer you an insight into the life of a medical student – something which I definitely lacked back when I was applying. With any luck, I’ll be able to give you a little guidance as to what sort of questions you’ll be asked in interviews (we can do a mock), the attributes medical schools look for in personal statements, and give you a somewhat informed decision on whether medicine is really right for you. 

Subjects offered

SubjectLevelMy prices
Biology A Level £20 /hr
Chemistry A Level £20 /hr
Human Biology A Level £20 /hr
Biology GCSE £18 /hr
Chemistry GCSE £18 /hr
Human Biology GCSE £18 /hr
Maths GCSE £18 /hr
Psychology GCSE £18 /hr
-Medical School Preparation- Mentoring £20 /hr

Qualifications

QualificationLevelGrade
BiologyA-LevelA*
ChemistryA-LevelA*
MathsA-LevelA*
PsychologyA-LevelA
English Literature (AS)A-LevelA
Disclosure and Barring Service

CRB/DBS Standard

20/09/2013

CRB/DBS Enhanced

No

Currently unavailable:

Ratings and reviews

5from 3 customer reviews

Tom (Student) December 21 2015

Liam has been an excellent tutor. He is so personable and understanding it has given Tom real belief and confidence.

Liz (Parent) December 21 2015

Another great session, informative and fun - confidence building for Tom!

Liz (Parent) December 19 2015

'Awesome' was how Tom described his first lesson with Liam! Ideal gas equation now makes a lot more sense! Many thanks Liam

Questions Liam has answered

How does skeletal muscle contract?

Skeletal muscle (one of the three types of muscle in our body) contracts by excitation-contraction coupling, or the sliding-filament theory. It all starts when an action potential fires along a motor neurone, and causes a release of a neurotransmitter called acetylcholine into the neuromuscula...

Skeletal muscle (one of the three types of muscle in our body) contracts by excitation-contraction coupling, or the sliding-filament theory.

It all starts when an action potential fires along a motor neurone, and causes a release of a neurotransmitter called acetylcholine into the neuromuscular junction.

Acetylcholine results in the opening of ligand-gated Na channels (these are little holes in the muscle cell membrane that are opened when acetyl choline binds to them). The Na then rushes into the cell because there is a concentration gradient, established by the Na/K ATP pump.

The Na movement from the extracellular space, through the cell membrane, and into the muscle cell cytoplasm is called influx. This influx causes depolarisation of the cell. [if a positively charged ion like Na moves into the cell, then the membrane potential will become more positive = ergo depolarisation].

The depolarisation causes voltage-gated Ca channels to open in the sarcoplasmic reticulum (would draw out the t-tubules here if needed/on syllabus). This results in an intracellular increase in Ca concentration.

The Ca then binds to troponin C, causing a conformational change in the protein. This leads to myosin binding sites on the actin filament becoming exposed. Myosin binds to these sites, and ADP release from the myosin filament leads to a conformational change (this causes the filaments to slide along each other - the "sliding filament" theory.

ATP binds to myosin and the bond is broken, though if there is enough Ca, the myosin can bind to the actin again - and further "sliding" can occur. This happens super quickly and in succession - LEADING TO MUSCLE CONTRACTION HORAAAY.

 

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2 years ago

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