Rosewan A. GCSE Biology tutor, A Level Biology tutor, Mentoring -Medi...

Rosewan A.

Currently unavailable: for regular students

Degree: Medicine (Other) - Newcastle University

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About me

Hello I’m Rosh, a graduate and a second year medical student at Newcastle University. I tutor Biology, Chemistry and can give considerable guidance on Medical school applications for both Undergraduate and graduate programs.


I’ve worked with young people throughout my life as a youth worker, skate boarding instructor and currently higher education outreach programs.I believe in the idea of empowerment through education and I’m eager to help any young people who need extra help to achieve their potential. 

 

Education
I was born, raised and educated in London before graduating with a BSc in Medical Genetics (1.1) from the University of Leicester. From there I’ve subsequently gone onto study medicine at Newcastle University.

Subjects offered

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

Qualifications

QualificationLevelGrade
Medical GeneticsBachelors Degree1.1
Chemistry A-LevelA
Biology A-LevelA
Disclosure and Barring Service

CRB/DBS Standard

No

CRB/DBS Enhanced

No

Currently unavailable: for regular students

General Availability

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Please get in touch for more detailed availability

Questions Rosewan has answered

How is DNA packaged within Eukaryotic Cell nucleosomes

DNA is wrapped around proteins called histones, to form nucleosomes. Each nucleosome is a histone octomer composed of (H2A, H2B, H3, and H4) subunits with a 1.65 helical turn of 147 nucleotide bases. Nucleosomes then fold upon themselves to form chromatin.  Loosely packed Chromatin called euc...

DNA is wrapped around proteins called histones, to form nucleosomes. Each nucleosome is a histone octomer composed of (H2A, H2B, H3, and H4) subunits with a 1.65 helical turn of 147 nucleotide bases. Nucleosomes then fold upon themselves to form chromatin. 

Loosely packed Chromatin called euchromatin is assoicated with high gene expression whereas densely packed chromatin called heterochromatin is associated with transcriptional repression (gene silencing). 

During metaphase stage of mitosis and meiosis chromatin becomes supercoilded resulting in the ability to see chromosomes under a microscrope. This is essential for the seperation of DNA between daughter cells. 

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1 year ago

295 views

What are is the function of a ribosomes and what is it made from?

Ribosomes translate (read) messenger RNA to produce specific polypeptide chains (proteins).  The Ribosome itself is made up rRNA which forms the structures which read the messenger RNA and add peptides to the polypeptide chain.  There are also a number of proteins associated with the ribosome...

Ribosomes translate (read) messenger RNA to produce specific polypeptide chains (proteins). 

The Ribosome itself is made up rRNA which forms the structures which read the messenger RNA and add peptides to the polypeptide chain. 

There are also a number of proteins associated with the ribosome which increase its stability and efficiency. 

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1 year ago

498 views

What are the functional differences between RNA and DNA

DNA is the medium which encodes the information that makes an organism what it is. DNA usually forms a double stranded structure and encodes genes and other regulatory elements.  RNA can act as either catalyst like proteins, a store of information like DNA, or both. mRNA is produced when the ...

DNA is the medium which encodes the information that makes an organism what it is. DNA usually forms a double stranded structure and encodes genes and other regulatory elements. 

RNA can act as either catalyst like proteins, a store of information like DNA, or both. mRNA is produced when the DNA of a cell is read by specific enzymes (RNA polymerase) and is then itself read by ribosomes to produce proteins. Hence earning its name of messenger RNA. 
 

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1 year ago

326 views
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