Top answers

Biology
GCSE

Describe the structure of a human heart and how this enables it to bring blood carrying oxygen to the tissues of the body

The human heart has four chambers, an atria and a ventricle on each side, separated into left and right by a central wall called the septum. The heart is a the pump for our double circulatory system. The ...

Answered by Louisa W. Biology tutor
2307 Views

What is the difference between anaerobic respiration and aerobic respiration?

Aerobic respiration uses oxygen to generate energy, while anaerobic respiration happens without using oxygen. Aerobic respiration produces carbon dioxide, water and ATP (energy) from glucose and oxygen. A...

Answered by Anna M. Biology tutor
4835 Views

Outline the major stages of cell cycle.

The cell cycle is comprised of two distinct phases; Interphase and Mitosis. The cell is typically in interphase of 95% of its life and mitosis/division for the remaining 5%.During interphase the cell's nu...

Answered by Max K. Biology tutor
2738 Views

Describe what is meant by active transport and state one way in which it is different to simple diffusion

Active transport is the movement of substances from an area of lower concentration to an area of higher concentration. Movement is going against the concentration gradient. This is ATP requiring.Active tr...

Answered by Joshua E. Biology tutor
2001 Views

What is the function of the nucleus in an animal cell?

The nucleus contains all of the genetic information of the cell. This genetic information is the DNA. DNA is deoxyribonucleic acid, and through this the cell is able to complete its functions through tran...

Answered by Isabelle V. Biology tutor
2429 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