Top answers

In a fish and chips shop, the potatoes are cut hours before they are cooked, but they must not dry out. To stop this, the owner soaks them in a salt solution. Define the process of osmosis and explain what would happen if you used distilled water.

Osmosis can be described as the movement of water from a high concentration to a low concentration through a semi permeable membrane.In this example the salt solution has roughly the same concentration of wa...
VS
Answered by Vikram S. • Biology tutor
7462 Views

What's the difference between Mitosis and Meiosis?

Mitosis is cell division which produces identical cells and Meiosis is cell division that produces Gametes for sexual reproduction.
SK
Answered by Scarlett K. • Biology tutor
3746 Views

Identify the four chambers of the heart?

Left Atrium, left ventricle, right atrium and right ventricle
SK
Answered by Scarlett K. • Biology tutor
2979 Views

Why do large organisms need specialised exchange systems and what are the features of an efficient exchange surface?

Large organisms have-High metabolic activity (used in movement, respiration, reproduction etc)Large distance between cells and the incoming oxygen that they requireA very small surface area to volume ratio m...
AJ
Answered by Abigail J. • Biology tutor
12988 Views

What is the use of membranes within the cell?

Membranes within the cell are used in compartmentalisation for numerous reasons- one being to allow processes to occur separately in different organelles without interacting and affecting other processes, wh...
AJ
Answered by Abigail J. • Biology tutor
2984 Views