Top answers

Biology
All levels

Describe the pathway of electrical activity in the heart during the cardiac cycle.

The wave of excitation originates in the sinoatrial node in the right atrium. From there, it travels through the right and left atria, causing contraction of the atria (atrial systole). It is prevented fr...

JW
Answered by Josh W. Biology tutor
2664 Views

What happens in the light dependent reaction in photosynthesis?

Background Photosynthesis is the process where energy from light is used to break apart bonds in water . Hydrogen from water is then combined with CO2 to form glucose which ...

HW
Answered by Hannah W. Biology tutor
2169 Views

Describe the polymerase chain reaction

The first step of PCR requires the target gene to be located using primers. Primers are short nucleotide sequences that are the complementary to either side of the target gene. The DNA sample containing t...

TT
Answered by Tolu T. Biology tutor
3398 Views

Explain how applying increasing pressure to a Pacinian corpuscle produces a larger change in membrane potential.

When pressure is applied to a Pacinian corpuscle the membrane is distorted, opening the stretch-mediated Na+ channels. This then allows Na+ ions to move in down their concentration gradient which increase...

MC
Answered by Madeleine C. Biology tutor
11503 Views

What is a monoclonal antibody?

An antibody is a specific protein produced in response to an antigen.A monoclonal antibody is an antibody that has been produced from one specific type of white blood cell. Every antibody...

DB
Answered by Danial B. Biology tutor
2167 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 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences