Top answers

Why does the nervous system have synapses if they slow down transmission?

Synapses are chemical connections between neurons which do indeed slow down transmission. However, they provide the nervous system with many benefits that could not be achieved without them: They ensure that...
SJ
Answered by Samuel J. • Biology tutor
21632 Views

The genetic code is described as being degenerate. What does this mean? and why ?

We say that the genetic code is degenerate because there are several codons, which code for the same amino acid. For example UCA, UCU, UCG and UCC all code for Serine. This is due to the fact that mRNA codin...
MD
Answered by Maria D. • Biology tutor
14626 Views

Why don't antibiotics work against viruses?

Antibiotics are a class of drugs which were discovered to be effective against bacterial infections, strictly speaking, they are called antibacterial chemotherapeutics; meaning they are drugs which selective...
TC
14775 Views

What kind of influences form the shape of a building?

First of all we have to consider natural conditions, for example the geographical area, climate and the structure of the ground. All these factors play a siginificant role in constructing a piece of art. Bea...
NA
3017 Views

What is the best way to revise for an English Literature A-level exam?

There are many ways to revise and it depends on the type of learner you are. Personally, for my A-level English exams, I used revision cards with multiple quotes from the various books I studied and kept rea...
CZ
Answered by Charlotte Z. • English tutor
8944 Views