Top answers

Biology
All levels

What is Photosynthesis and how does it occur?

Photosynthesis is a process completed by plants in order to produce food for them to survive. This process occurs in a green organelle called the chloroplast, which is found in the plant cell, mostly in t...

Answered by Chloe K. Biology tutor
1660 Views

Describe the role of a ribosome in the production of a polypeptide.

The ribosome acts as a translator, by binding to an mRNA and 'reading' the codon codeA codon is 3 bases on an mRNA, and each codon encodes an amino acidThe ribosome brings the tRNAs with the correct antic...

Answered by Elizabeth H. Biology tutor
2249 Views

Describe different point mutations and how severe are they likely to be

Insertion - one nucleotide is inserted into already existing sequence. As amino acids are coded by 3 consistent nucleotides insertion changes the reading frame. Therefore, it is likely to have severe cons...

Answered by Aleksandra L. Biology tutor
1663 Views

What is osmosis?

Osmosis is a special case of diffusion, which you can imagine as a spreading of particles across a room for example when you spray some deodorant - the strongest smell is closest to the area that has just...

Answered by Alice C. Biology tutor
3163 Views

How is an action potential generated?

An action potential is the propagation of the reversal of charge across a membrane voltage gated Na+ ion channels sense a change in membrane potential causing them to open Na+ moves down its concentration...

Answered by Emma H. Biology tutor
1883 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