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
IB

Describe the structure of proteins

-Primary structure is the number and sequence of amino acids in a polypeptide.-The secondary structure of a polypeptide is the formation of alpha helices and beta- pleated sheets stabilised by hydrogen bo...

Answered by Biology tutor
753 Views

Explain the process of DNA Replication

DNA replication is semi-conservative; new DNA molecule is composed of 1 old strand of DNA and 1 new strand .Many enzymes are involved in this process. The action of these can be combined into a 7 step pro...

Answered by Barbora H. Biology tutor
646 Views

Compare how pyruvate is used in human cells when oxygen is available and when oxygen is not available.

When oxygen is available- aerobic respiration takes place, when oxygen is not available- anaerobic respiration takes place. Pyruvate reacrs differently differently in these two situations.During Aerobic r...

Answered by Nick P. Biology tutor
3232 Views

What are the differences between prokaryotic and eukaryotic DNA?

DNA in prokaryotes can be found in the cytoplasm in a form of a free circular chromosome. Additionally, there are structures called plasmids that contain DNA as well and their functions are connected to e...

Answered by Aleksandra S. Biology tutor
1690 Views

Explain the Polymerase Chain Reaction (PCR) as a technique to make copies of DNA.

PCR takes place in three stages - denaturation, annealing, and extension. The process begins with a very small quantity of DNA being loaded into a PCR machine. The hydrogen bonds that exist between the tw...

Answered by Aashna B. Biology tutor
967 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