Top answers


Briefly summarise the overall process in applying for Medicine?

In a summary: Lots of extra-curricular activities, volunteering throughout UKCAT exam After AS/ start of A2. UCAS application A2 Interview A2 Hardcore studying throughout If you want the points above filled ...
JJ
2213 Views

How come the antibodies in our blood and lymphatic system do not attack our own, but only specific antigens?

Antibodies and antigens are made out of proteins. Proteins have a specific primary structure. The primary structure is the sequence of the amino acids that make up the protein. This sequence is specific to a...
CU
Answered by Cassandra U. Biology tutor
3267 Views

How do you get from an a base like adenine to an enzyme/protein?

There are four bases- ATGC adenine, thymine guanine and cytosine. Each base is attached to a deoxyribose sugar and a phosphate sugar. This makes up a nucleotide. Three nucleotides are called a codon which pr...
JJ
Answered by Joshny J. Biology tutor
3355 Views

Relationship between moles and Avogadro's constant

Moles equation is moles= mass/RFM Avogadro's constant is 6.x 10 23 . 1 mole means 6x 10 23 atoms/molecules. e.g. 2 mole of Cu weighs 128g. What is the weight of 1 Cu atom? 2 moles is 2x 6x10 23 atoms = 1.2x1...
JJ
Answered by Joshny J. Chemistry tutor
12503 Views

If m=a^x, n=a^y, and a^2 =(m^y n^x)^z Show xyz=1.

If m=a x n=a y and a 2 =(m y n x ) z Show xyz=1. The above question is an indices question from an AS textbook. This is question 7 so I will tell you now that this is perhaps a higher difficulty question but...
JJ
Answered by Joshny J. Maths tutor
17739 Views