Ellen M. GCSE Biology tutor, GCSE Physics tutor, GCSE Maths tutor, A ...

Ellen P.

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Evolutionary Anthropology (Masters) - Oxford, Pembroke College University

5.0
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1 review

This tutor is also part of our Schools Programme. They are trusted by teachers to deliver high-quality 1:1 tuition that complements the school curriculum.

4 completed lessons

About me

Hi, I'm Ellen and I'm a postgraduate biology student at Oxford. I'm here to help you understand science and maths so that you can achieve your full potential and also appreciate how fun and interesting they are! I want to pass on my enthusiasm for science to as many people as possible- that's why I've chosen to work as a tutor, and why I also volunteer with science communication groups in my spare time.

Science Tuition

Having achieved top grades in maths and science subjects at A level three years ago, I'm in a great position to sort out any confusions you might have and help you learn how to answer exam questions. My sessions are tailored to your individual needs, so you will decide which areas to look at, and we'll move at whatever pace suits you best, making sure you are fully confident in each topic.

University Applications

I've now been through the Oxbridge admissions system twice- recently for my masters degree, and in 2012 for my undergraduate degree, which was also at Oxford. This means I'm also able to offer help with university applications, whether you want help fine-tuning your personal statement (or even ideas to help you get started!) or more general advice and interview tips.

Get in touch! :)

I'm currently looking for new students... if you're interested, please send me a message using the sidebar on the right! If you have any questions or concerns, we can arrange a time to chat online, completely for free and with no obligation at all to continue. I look forward to meeting you!

Hi, I'm Ellen and I'm a postgraduate biology student at Oxford. I'm here to help you understand science and maths so that you can achieve your full potential and also appreciate how fun and interesting they are! I want to pass on my enthusiasm for science to as many people as possible- that's why I've chosen to work as a tutor, and why I also volunteer with science communication groups in my spare time.

Science Tuition

Having achieved top grades in maths and science subjects at A level three years ago, I'm in a great position to sort out any confusions you might have and help you learn how to answer exam questions. My sessions are tailored to your individual needs, so you will decide which areas to look at, and we'll move at whatever pace suits you best, making sure you are fully confident in each topic.

University Applications

I've now been through the Oxbridge admissions system twice- recently for my masters degree, and in 2012 for my undergraduate degree, which was also at Oxford. This means I'm also able to offer help with university applications, whether you want help fine-tuning your personal statement (or even ideas to help you get started!) or more general advice and interview tips.

Get in touch! :)

I'm currently looking for new students... if you're interested, please send me a message using the sidebar on the right! If you have any questions or concerns, we can arrange a time to chat online, completely for free and with no obligation at all to continue. I look forward to meeting you!

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Personally interviewed by MyTutor

We only take tutor applications from candidates who are studying at the UK’s leading universities. Candidates who fulfil our grade criteria then pass to the interview stage, where a member of the MyTutor team will personally assess them for subject knowledge, communication skills and general tutoring approach. About 1 in 7 becomes a tutor on our site.

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Ratings & Reviews

5from 1 customer review
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Jim (Parent from Hockley)

June 7 2016

Ellen's been very helpful, patient and thorough. My daughter's had a couple of sessions with her now and we've booked more as we've been so pleased.

Qualifications

SubjectQualificationGrade
BiologyA-level (A2)A*
PhysicsA-level (A2)A*
MathematicsA-level (A2)A
Further MathematicsA-level (A2)A
Biological SciencesDegree (Bachelors)2.I (BORDERLINE FIRST)

General Availability

Pre 12pm12-5pmAfter 5pm
mondays
tuesdays
wednesdays
thursdays
fridays
saturdays
sundays

Subjects offered

SubjectQualificationPrices
BiologyA Level£20 /hr
BiologyGCSE£18 /hr
MathsGCSE£18 /hr
PhysicsGCSE£18 /hr
-Personal Statements-Mentoring£22 /hr

Questions Ellen has answered

How can an object accelerate without changing speed?

Acceleration is defined as the rate of change of velocity. Since velocity is a vector quantity (it has both magnitude and direction) defined as speed in a particular direction, any change in either speed or direction of travel is a change in velocity. Acceleration therefore occurs whenever an object changes direction- for example, a car driving around a roundabout is constantly accelerating even if its speed does not change.

Acceleration is defined as the rate of change of velocity. Since velocity is a vector quantity (it has both magnitude and direction) defined as speed in a particular direction, any change in either speed or direction of travel is a change in velocity. Acceleration therefore occurs whenever an object changes direction- for example, a car driving around a roundabout is constantly accelerating even if its speed does not change.

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3 years ago

18125 views

What is the difference between a gene and an allele?

A gene is a section of DNA or RNA that codes for a protein. Alleles are different versions of the gene.  For example, if a gene coding for a particular enzyme mutated, then there would be two alleles of the gene: the 'normal' form and the mutated form. The proteins encoded would probably also be slightly different, for instance the mutated allele might code for the same enzyme but in a slightly different shape.

A gene is a section of DNA or RNA that codes for a protein. Alleles are different versions of the gene.  For example, if a gene coding for a particular enzyme mutated, then there would be two alleles of the gene: the 'normal' form and the mutated form. The proteins encoded would probably also be slightly different, for instance the mutated allele might code for the same enzyme but in a slightly different shape.

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3 years ago

1265 views

When do mutations not cause a change in amino acid sequence?

The genetic code is degenerate- this means that amino acids can be coded for in more than one way. In an mRNA sequence coding for a protein, each amino acid in the protein is encoded by one codon (set of three nucleotides). Some amino acids can only be coded for by one particular codon (eg tryptophan, UGG) but most can be coded for by at least two different codons which differ in their third letter. This means that if a mutation occurs in the third letter of a codon, there is a significant chance that it will still code for the same amino acid.

It has been suggested that this flexibility is necessary for life to evolve, as it makes natural selection more lenient towards mutations that would otherwise be harmful.

The genetic code is degenerate- this means that amino acids can be coded for in more than one way. In an mRNA sequence coding for a protein, each amino acid in the protein is encoded by one codon (set of three nucleotides). Some amino acids can only be coded for by one particular codon (eg tryptophan, UGG) but most can be coded for by at least two different codons which differ in their third letter. This means that if a mutation occurs in the third letter of a codon, there is a significant chance that it will still code for the same amino acid.

It has been suggested that this flexibility is necessary for life to evolve, as it makes natural selection more lenient towards mutations that would otherwise be harmful.

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3 years ago

983 views

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