Top answers

Describe the process of digestion in the mouth.

Food is broken down mechanically by chewing. Saliva secreted from the salivary glands contains amylase which breaks down starch to maltose.
EO
Answered by Emmanuel O. • Biology tutor
3554 Views

How can I work out which gas is released when ethanoic acid is reacted with sodium?

Ethanoic acid is CH 3 COOH. Acids can ionise, producing H + ions and in this case, CH 3 COO (ethanoate) ions. The sodium exists as Na + ions in solution, which then create neutral ion complexes with the etha...
SR
Answered by Sara R. • Chemistry tutor
3165 Views

What are the structural differences between eukaryotic and prokaryotic cells?

Size: prokaryotic cells tend to be smaller. Outer layers: prokaryotic cells have a cell membrane surrounded by cell wall, while eukaryotic cells have a cell membrane but only plants and fungi have a cell wal...
AG
Answered by Alex G. • Biology tutor
4366 Views

What is the difference between diffusion and active transport?

Diffusion is the movement of particles from a high to low concentration and does not require energy. An example of diffusion is oxygen moving from the airways (high concentration inhaled) to the lungs (low o...
CB
3438 Views

How should you answer comprehension questions in a language paper?

Comprehension questions require you to demonstrate that you are able to translate the meaning of the Latin you are given, but do not require you to translate word-for-word. This means they are a great opport...
JB
Answered by Jessica B. • Latin tutor
2859 Views