Calum M. A Level Biology tutor, IB Biology tutor, GCSE Biology tutor,...

Calum M.

Currently unavailable: for new students

Degree: Medical Sciences (Bachelors) - Oxford, Somerville College University

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|  4 completed tutorials

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About me

Hello! My name's Calum and I'm entering the fourth year of my medical degree at the University of Oxford. I'm passionate about delivering high-quality education in the sciences to young people. Studying Biology is a fantastic foundation in the concepts and thinking skills which are invaluable in a whole host of degrees and careers. My goal is to increase your engagement with science and enjoyment of studying science - and hopefully improve your grades in the process!

I have experience tutoring music theory and chemistry in school and tutored combined science GCSE last year as part of a volunteer group. I have also taught piano and spent a lot of time growing up helping my sisters with their academic work and with music.

About my sessions

My ethos for teaching is to make full use of the interactivity with one-on-one tutoring by asking lots of questions about the topic, what you do and don't understand, and what you'd like to know more about. Student's grow when they are continually challenged and pushed slightly beyond their comfort zone in a constructive environment. I think it's also important to explain why school science content is important in terms of it's real world application, and to talk about where the information on your syllabus comes from.

Applying for medicine in the UK or Republic of Ireland? I have been through both these application systems successfully with offers from Oxford, Edinburgh, Queen's Belfast and Trinity College Dublin. I can help you with writing personal statements to taking the UKCAT and BMAT exams to choosing medical schools to preparing for interviews.

Applying for Oxford or Cambridge? I applied successfully to Oxford in 2013. I can help you with personal statements, choosing colleges and preparing for interview.

Please get in touch! Send a Webmail or book a Meet the Tutor session. Let me know your exam board and the topics you want to cover. I look forward to working with you!

Subjects offered

Biology A Level £22 /hr
Biology GCSE £20 /hr
Chemistry GCSE £20 /hr
Maths GCSE £20 /hr
-Medical School Preparation- Mentoring £22 /hr
-Oxbridge Preparation- Mentoring £22 /hr
-Personal Statements- Mentoring £22 /hr
.BMAT (BioMedical Admissions) Uni Admissions Test £25 /hr
.UKCAT. Uni Admissions Test £25 /hr


BMATUni admission test8.2, 7.9, 2.5A
UKCAT Uni admission test787
BA Medical SciencesDegree (Bachelors)HIGH 2.I
Disclosure and Barring Service

CRB/DBS Standard


CRB/DBS Enhanced


General Availability

Currently unavailable: for new students

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Questions Calum has answered

What is the structure of an animal cell?

At GCSE level, you probably looked at the basic structure of an animal cell comprising the cell membrane, cytoplasm and nucleus. These are all that is normally visible of a cell when you look at it under a light microscope. At AS and A level, we look more at the ultrastructure of a cell which ...

At GCSE level, you probably looked at the basic structure of an animal cell comprising the cell membrane, cytoplasm and nucleus. These are all that is normally visible of a cell when you look at it under a light microscope.

At AS and A level, we look more at the ultrastructure of a cell which can be seen using an electron microscope. This comprises several internal parts - called organelles - including mitochondria, ribosomes, endoplasmic reticulum, Golgi apparatus and vesicles and lysosomes.

The mitochondria are rod-shaped organelles often described as the power stations of the cell. They are involved in converting glucose and other energy sources into several smaller energy molecules called ATP (adenosine triphosphate). ATP contains a small enough amount of energy to be useful in many cellular chemical reactions without wasting much energy.

The ribosomes are small cytoplasmic granules involved in manufacturing proteins. The endoplasmic reticulum is divided into the rough endoplasmic reticulum (rER) which synthesises, stores and transports proteins and the smooth endoplasmic reticulum (sER) which synthesises, stores and transports lipids and carbohydrates.

The Golgi apparatus is a structure of membranes which make up flattened stacks, similar to the sER. It is often described as the "post office" of the cell as its main function is to label proteins with carbohydrates in order to send them to their correct destinations within the cell.

The Golgi apparatus produces lysosomes which are vesicles of low pH containing proteases and liases. These can be used to break down material ingested by phagocytosis, digest worn out organelles so their parts can be reused or to break down the cell itself when it dies. In secretory cells, they are also used to release enzymes to the outside of the cell in a process called exocytosis.

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1 year ago

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