Top answers

Define a hydrocarbon and explain the difference between alkenes and alkanes.

A Hydrocarbon is an organic molecule containing only hydrogen and carbon atoms. Alkanes are saturated hydrocarbons, meaning they are only made up of single bonds. The carbons are 'saturated' with hydrogen at...
SH
Answered by Saskia H. • Chemistry tutor
12880 Views

When a new antigen is presented to the immune system, an immune response leads to antibodies are released. The second time this happens it is much faster - explain why

In the primary immune response, there is antigen presentation followed by clonal selection, expansion and differentiation of helper t cells. This leads to plasma cells releasing antibodies and the developmen...
MR
Answered by Maxine R. • Biology tutor
3406 Views

How do I use the imperfect and preterite tenses together to describe a completed event?

Well, let's start with an example. ej. Estaba atravesando la calle y de repente un coche se estralló contra un árbol. (ex. I was crossing the road and all of a sudden a car crashed into a tree.)This is a typ...
GK
Answered by Gregory K. • Spanish tutor
2687 Views

What is the meaning of actus reus and mens rea?

Actus reus and mens rea are latin terms used in Criminal Law in England and Wales. Actus reus refers to the, "guilty act" of a crime, and mens rea refers to the, "guilty mind" of a crime....
EG
Answered by Erika G. • Law tutor
9623 Views

What are your hobbies

Get student to say the hobbies they do and what skills they believe they have developed from taking part in the activity to show admissions what key qualities make them suited to the course they have applied...
ND
2676 Views