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Describe the process of insulin secretion. (7 marks)

Beta cells have vesicles containing insulin inside them (1). (2) High glucose levels cause glucose uptake via glucose channels into the beta cell and glucose is metabolised into ATP (3) inside the cell, w...

Answered by Gabriella G. • Biology tutor

2179 Views

Translate the following sentence into Russian: "Many students are scared of exams. But, if they are ambitious and hardworking, then they will be successful."

Многие студенты боятся экзаменов. Однако, если они - честолюбивые и трудолюбивые, то они преуспеют.

Множество студентов боятся экзаменов. Но если они стремятся к успеху и работают много,...

Answered by Julius K. • Russian tutor

1869 Views

Comment on how the writer's use of structure, form and language shape meaning (in Edgar Allan Poe's 'Annabel Lee')

In ‘Annabel Lee’ by Edgar Allan Poe, structure is played off against language. A morbid narrative – the death of a young girl, with whom the poet is clearly infatuated – is penned in lines of verse that b...

Answered by Julius K. • English Literature tutor

8801 Views

n sweets, 6 are orange, the rest are yellow. Sophie takes at random a sweet. She eats the sweet. Sophie then takes at random another sweet. She eats the sweet. The probability that Sophie eats two orange sweets is 1/3. Show that n² – n – 90 = 0

If Sophie takes a sweet from the bag on her first selection, there is a 6/n chance it will be orange. That’s because there are 6 oranges and n sweets. If Sophie takes a sweet from the bag on her second se...

Answered by Oliver L. • Maths tutor

2720 Views