Top answers

Why is this reaction an Endothermic reaction?

bond making is exothermic, bond breaking is endothermic. It takes more energy to break the bonds than the energy released in making new bonds
JM
Answered by Jigi M. • Chemistry tutor
3470 Views

What are the functions of glycoproteins in the cell membrane? (6 marks)

Antigens - cell recognition/cell signalling - receptor or binding site for hormones - cell adhesion - attach to water molecules to stabilise the cell membrane - receptor/ binding site/ trigger
JM
Answered by Jigi M. • Biology tutor
22334 Views

How does sweat cool the body down? (2 marks)

Water in the sweat evaporates due to the body temperature of the organism - This takes heat with it
JM
Answered by Jigi M. • Biology tutor
9151 Views

What are complex and imaginary numbers and how are they different from normal (real) numbers?

When you think of a number line, zero lies at the centre and the positive numbers stretch off to the right, while negative numbers go off left. This is a representation of real numbers, including both ration...
TD
Answered by Tutor59493 D. • Maths tutor
4008 Views

is the sentence "j'ai allé a le cinema" correcte ?

No it is not; There are two mistakes, can you find at least one of them? * ... * First, in French you can't say "j'ai allé": you say "je suis allé"; you always use the auxiliaire 'etre' b...
RD
Answered by Rémi D. • French tutor
22410 Views