Top answers

How do we control the concentration of urine?

Osmoregulation is the homeostasis of water in the body. It is important that water volumes are kept relatively constant as this influences electrolyte concentrations and cell activity. There are many ways in...
AB
Answered by Adam B. • Biology tutor
3053 Views

What are the elements of a criminal offence?

When deciding whether or not someone is guilty of a criminal offence, the Court will look for three elements: actus reus or a 'guilty act', mens rea or a 'guilty mind', and novus actus interveniens or the la...
DE
Answered by Dominic E. • Law tutor
15682 Views

What does the term "Semi-conservative" mean in relation to DNA?

DNA is a double stranded helix. During DNA replication, the strands are separated from each other (using an enzyme called DNA helicase). The unzipped DNA strands then utilize another enzyme, known as DNA Pol...
CA
Answered by Catherine A. • Biology tutor
4863 Views

How successful did Edward IV control his nobility in his first reign?

The years 1461-70 saw a long-term shift in power in the nobility, which Edward IV, an effective King, had no trouble in monitoring. The difficulty Edward IV faced from the beginning was the result of turmoil...
AA
Answered by Annabel A. • History tutor
10218 Views

Which verb should be used, "ser" or "estar"?

In Spanish there are two verbs that translate to English as "to be", and it can be difficult to know the contexts in which to use each one. But I've found that the acronym DOCTOR SELF is very helpf...
MS
Answered by Megan S. • Spanish tutor
5085 Views