Illustration of a video tutorial

Need help with Biology?

One to one online tuition can be a great way to brush up on your Biology knowledge.

Have a Free Meeting with one of our hand picked tutors from the UK’s top universities

Find a tutor

Top answers

Biology
A Level

Describe the secondary structure of a protein.

This is the first folding of the amino acid chain. The chain folds into either alpha helices or beta pleated sweats and is stabilised by hydrogen bonds between the amino acids.

Answered by Bridget S. Biology tutor
1294 Views

How does meiosis cause variation?

Independent segregation of chromosomes. Crossing over of chromosomes (genetic recombination)

Answered by Ifsa A. Biology tutor
1100 Views

What is the difference between a nerve synapse and a neuromuscular junction?

The presynaptic part of both junctions are both almost identical, although different neurotransmitters can be used depending on location and function. Acetylcholine is usually found in neuromuscular junct...

Answered by Annabel L. Biology tutor
1080 Views

Describe the processes which occur that allow synaptic transmission

  1. The action potential arrives at the axon terminal 2) Voltage-gated Ca2+ channels open 3) Ca2+ enters the presynaptic neurone 4) Ca2+ signals to neurotransmitter vesicles 5) Vesicles move to the memb...
Answered by Elissa H. Biology tutor
723 Views

What are some differences between RNA and DNA?

Structurally these molecules are very similar with a few differences. They are both made up of monomers called nucleotides. Nucleotides simply refer to nitrogenous bases, pentose sugar together with the p...

Answered by Vasiliki K. Biology tutor
1284 Views

We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2022

Terms & Conditions|Privacy Policy