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Science
GCSE

What is photosynthesis and how does it work?

Photosynthesis is a biochemical process that plants use to convert Carbon dioxide (i.e. breathed out by animals) into Oxygen.

The word equation is: carbon dioxide + water -> glucose + oxygen.

Answered by Alice A. Science tutor
2229 Views

How do I calculate molar concentrations and determine the mole value based on the mass of a compound?

Molar concentrations are calculated with the basic formula: Concentration (mol/ml) = Number of moles (mol) / Volume (ml). Remember to keep all units consistent and convert when appropriate.

The num...

Answered by Khashayar K. Science tutor
4913 Views

How can you tell the difference between a right-handed and left-handed coil (or helix) by looking at it?

Portions of proteins can arrange in regularly repeating structures such as α-helices: the vast majority of these helices are right-handed (the left-handed versions are very rare). Similarly, DNA (double) ...

Answered by Riccardo S. Science tutor
23068 Views

Define the term friction

This is the force that resists movement between two surfaces which are in contact.

Answered by Jake T. Science tutor
4068 Views

Why must human beings breathe?

Oxygen is required by the electron transport chain to operate. Many biochemical pathways (for example Kreb’s cycle and ß-fatty oxidation) extract electrons from biomolecules and transfer them to electron ...

Answered by Riccardo S. Science tutor
2058 Views

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