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Starch is made from two alpha-glucose polymers, amylose and amylopectin. Which is quicker to break down and why?

Amylose is formed from 1-4 glycosidic bonds, creating a compact spiral structure. It is unbranched, therefore enzymes can only work from either end to break the bonds and release glucose monomers - broken...

SA
Answered by Samhitha A. Biology tutor
11051 Views

How do the actions of steroid hormones cause proteins to be made?

Steroid hormones move across the cell membrane to enter the cell (they can move through easily as they are made of lipid and are therefore non-polar, and also are generally quite small). They bind to rece...

SA
Answered by Samhitha A. Biology tutor
3249 Views

What is a myocardial infarction and how is it treated?

A myocardial infarction is a fancy term for a heart attack, which is a common life threatening condition. Just splitting the name up tells us whats happening beneath the surface. Myo means muscle, Cardial...

HA
Answered by Haroon A. Biology tutor
5998 Views

Comment on the Helen episode in Book 2 of Virgil's Aeneid (ll.568-600)

In this passage Aeneas, having just witnessed the murder of Priam, in a frenzy contemplates the murder of Helen, only to be prevented by the intervention of his mother Venus. Helen hiding "at the alt...

EG
6692 Views

How would I approach an unseen poetry question?

Tackling an unseen text, especially a poem, may seem daunting at first. However, the more you practice - the more comfortable you will become with close critical analysis, and you may soon even find it en...

TD
4019 Views

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