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Explain why the pancreas is described as both an endocrine and an exocrine organ.

This question requires you to know the difference between endocrine and exocrine glands, as well as knowing the basic functions of the pancreas.
Endocrine = secretes directly into the blood st...

Answered by William M. • Biology tutor

8624 Views

if y= e^(5x) what is dy/dx

For differentiation it is known that d/dx(e^x) = e^x always.This example is slightly more complex as it includes a product of x as the power.In this case we can simplify the question by setting 5x= u ther...

Answered by Lucinda D. • Maths tutor

5143 Views

Draw the electronic structure of Sodium Chloride and explain how an ionic bond affects the melting and boiling point.

Ionic bonds are very strong, with elements involved in a compound having a full outer shell of electrons due to donating and accepting electrons, allowing them to be in a very stable state. In this case, ...

Answered by Hans D. • Chemistry tutor

5233 Views

Every year in Britain there are nearly 25 000 car fires, yet it is estimated that only five per cent of motorists...Which of the following is the best statement of the flaw in the argument above?

It implies that the occurrence of car fires is related to the lack of an extinguisher.

Answered by Lucy E A. • TSA Oxford tutor

2678 Views

Give one piece of evidence that supports the theory that mitochondria evolved from prokaryotic cells.

Mitochondria contain 70S ribosomes (as opposed to 80S which would be found in other eukaryotic organelles) the same as prokaryotic cells. They also have their own DNA (mtDNA) which is separate from the DN...

Answered by Lucy E A. • Biology tutor

7255 Views