Top answers

Biology
All levels

Which protein structure is broken down due to denaturalization: primary, secondary, tertiary or quaternary?

Denaturalization breaks down all the structures but the primary one. Remember that the primary one is made up of the aminoacids. If we break the peptide bond between aminoacids we're changing the protein,...

Answered by Blanca G. Biology tutor
2227 Views

What are the differences between DNA and RNA?

-DNA is double stranded, while RNA is single stranded -DNA has the bases ATCG, while RNA has AUCG -DNA has the sugar base Deoxyribose, RNA has Ribose -DNA forms a double helix, RNA does not form a double ...

Answered by Siddhesh K. Biology tutor
1886 Views

Explain how nerve transmission occurs at the synapse.

As an action potential arrives at the presynaptic knob, the membrane is depolarised. This causes calcium channels in the membrane to open and calcium ions to flood in. This influx of calcium causes vesicl...

Answered by Abigail H. Biology tutor
2016 Views

What is the process of saltatory conduction and why is it important in the human nerve system?

Many (Not all) neurons are myelinated by schwann cells. The myelination covers the neuron with a fatty layer with small gaps between each schwann cells. These small gaps are called nodes of ranvier. When ...

Answered by Han Y. Biology tutor
5915 Views

Describe how water moves from roots to the leaves.

Water moves from the roots to the leaves through tissue called the xylem, in a process called transpiration. As water evaporates out of the leaf, more water is 'pulled upwards' to replace what has been lo...

Answered by Philippa S. Biology tutor
50616 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