Top answers

Biology
IB

Explain the differences between primary, secondary and tertiary protein structure.

Primary structure is the order in which what amino acid is bound the other with a peptide bond. This is coded for by the order of codons in a gene.

Secondary structure is how the chains on amino ac...

Answered by Hugh S. Biology tutor
88162 Views

How does mitosis produce two genetically identical nuclei?

Mitosis is the process by which cells reproduce. It occurs during the M-phase of the cell cycle. At this point, each chromosome consists of two identical sister chromatids, which were formed by DNA replic...

Answered by Erin B. Biology tutor
21647 Views

Regarding muscles and movement, what is the concept of the sliding filament mechanism?

Inside the sarcomere, the myosin filament and actin filament slide over eachother making the sarcomere shorter- at rest there is no cross bridge, actin and myosin are apart, ADP + Pi are bound to myosin- ...

Answered by Victoria T. Biology tutor
2297 Views

What is allostery and what are the differences between competitive and non competitive inhibitors?

Enzymes have an active site and allosteric sites. Allosteric sites regulate the activity of the enzyme.An allosteric enzyme could be- an allosteric activator which binds and stabilises the active form of ...

Answered by Victoria T. Biology tutor
5816 Views

Describe the electrical activity of the heart.

The heart is known as myogenic and can beat of its own accord, and this is tightly controlled to ensure the optimum blood flow through the heart to deliver oxygen to the rest of the body. 

<...

Answered by Ben B. Biology tutor
6788 Views

We're here to help

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