Contact Benito
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About me

About me:

I'm a second year undergraduate studying Biology at the University of Bristol and a real biology enthusiast with a hope to pass this on to you! I cover the full spectrum of biology topics covered at A Level/GCSE in my degree course (at a more advanced level of course) so I should be able to help with any area that you're having problems with. 

Your tutoring experience:

When revising for my GCSEs and A Levels, I made revision videos on my  YouTube channel; "Benito's Explanations" which not only helped me but my fellow classmates too (or so they tell me anyway!). Here's an example of one of these videos so you can get an idea of what my style is like (yes, the whiteboard will feature if you want it to :) : https://www.youtube.com/watch?v=YOgIm5V88bI

My tutor sessions would take on a similar format to these videos whilst constantly making sure you are understanding. I find going through sample papers a very effective way to revise and getting to grips with answering biology exam questions so these will undoubtedly play a large part in my tutor sessions. Having had plenty of experience on how sneaky and brutal examiners can be, I should be able to provide top tips and strategies to increase your chances on gaining the top marks. 

But of course, answering an exam question is no use when you don't understand the topic well enough so I'll start off each tutorial giving an introduction to the subject in question. I'm more than happy to spend as much time as you need to make sure you understand the key points before applying them to exam style questions. If by the end of a tutorial you are still unsure, I'm more than happy to provide extra resources which may help you understand topics covered in the session in your own time. 

What next?

I'm flexible with timings so say when you're available and I'll most likely be able to slot you in. If you have any questions you'd like to discuss with me, send me an email or book a free "Meet The Tutor" session. Remember to let me know what exam board you are on and of course what you are struggling with no matter how general or specific. I look forward to meeting you!

Subjects offered

SubjectLevelMy prices
Biology A Level £20 /hr
Biology GCSE £18 /hr

Qualifications

QualificationLevelGrade
BiologyA-LevelA
MathematicsA-LevelA*
ChemistryA-LevelA
PhysicsA-LevelB
Disclosure and Barring Service

CRB/DBS Standard

No

CRB/DBS Enhanced

No

Ratings and reviews

5from 14 customer reviews

Karen (Parent) February 17 2016

Really good - easy to work with.

Patrizia (Parent) December 3 2016

Patrizia (Parent) November 19 2016

Karen (Parent) November 16 2016

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Questions Benito has answered

Why is diffusion important in plants and animals? Give examples

The process of diffusion is extremely important for the uptake of substances into cells. These substances can be very important for a whole range of cellular processes. Its also useful in reomoving waste products produced by cells themselves.  Diffusion is particularly during gas exchange. In...

The process of diffusion is extremely important for the uptake of substances into cells. These substances can be very important for a whole range of cellular processes. Its also useful in reomoving waste products produced by cells themselves. 

Diffusion is particularly during gas exchange. In respiring cells, oxygen must be taken up into cells to be used in respiration whilst carbon dioxide must be removed as a waste product. However, in photosynthesising plant cells, the opposite also occurs also as carbon dioxide must be taken up into the cell and oxygen should be expelled as a product.

Other important substances to be absorbed are nutrients such as amino acids glucose and most importantly, water

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1 year ago

12426 views

Why is the polymerase chain reaction important and how does it work?

The polymerase chain reaction (or PCR) is extremely useful at copying fragments of DNA so by the end of it you have a much bigger sample than what you started with. This is particularly useful for example, in forensics when collecting DNA samples from the scene of a crime. There are essential...

The polymerase chain reaction (or PCR) is extremely useful at copying fragments of DNA so by the end of it you have a much bigger sample than what you started with. This is particularly useful for example, in forensics when collecting DNA samples from the scene of a crime.

There are essentially 3 steps to this process but each one follows the other automatically inside a piece of equipment called a thermocycler. Firstly, the 2 strands in your double stranded DNA are separated. This is done at temperatures of around 95 degrees Celsius which is enough to break the hydrogen bonds between the two strands.

Secondly, the mixture is cooled to 55 degrees C and primers are added. Primers are short sequences of nucleotides which are complimentary to a set of bases at one end of each DNA fragment. This process of "annealing" provides the starting point for the third stage in PCR...

Finally, the temperature is increased to 72 degrees C which is the optimum temperature for DNA polymerase to extend these primer sequences to make the complimentary strand of DNA by joining complimentary nucleotides (which are also in your reaction mixture). It will continue to do so until it reaches the end of the chain.

So the end result is double the amount of DNA you started with. You can do the reaction again to get quadruple the amount and so on until you have a large enough DNA sample to work with.

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1 year ago

358 views

Why should different animals have different haemoglobin types

Some animals contain haemoglobin molecules which are structured in way which allows them to have a high affinity for oxygen whilst some are the complete reverse. The reason for this is all to do with the environment in which that organism lives. For example, if an animal lives in a high altit...

Some animals contain haemoglobin molecules which are structured in way which allows them to have a high affinity for oxygen whilst some are the complete reverse. The reason for this is all to do with the environment in which that organism lives.

For example, if an animal lives in a high altitude environment where there is little oxygen available, it would be an advantage to have a haemoglobin type which has a high affinity with oxygen so it can absorb as much as possible from the little there is available.

On the opposite end of the spectrum, an animal with a high metabolic rate such as a rodent requires a lot of oxygen to use in cellular respiration. This provides it with  enough energy to carry out its daily routine. Therefore in this case, a haemoglobin type which has a high affinity for oxygen isn't advantageous. Instead, rodents have more haemoglobin which dissociate with oxygen more regularly, releasing it into tissues. Provided, there's enough oxygen in the organisms environment, its far better off having a haemoglobin which releases oxygen more easily than one which takes it up easily. 

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1 year ago

605 views
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