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What is active transport and how is it used in the absorption of glucose?

Active transport is the movement of molecules or ions against their concentration gradient, using energy in the form of ATP, across a pl...

NC
Answered by Nicola C. Biology tutor
41336 Views

Do you have any advice regarding nervousness during an exam?

Nervousness during exams is a problem for many students, especially when faced with the task of writing multiple full length essays under a time limit. However, it is definitely possible to evade those pe...

ES
4338 Views

How does gel electrophoresis seperate DNA?

The DNA from PCR is placed into wells of agarose gel and a buffer solution is poured over it. An electrical current is passed through the gel due to the conduction of the buffer solution. The DNA fragment...

HD
Answered by Holly D. Biology tutor
4887 Views

What happens when some alkali is added to a buffer solution?

The dissociation of the weak acid ‘HA’ would be shown as:HA (aq) ⇌ H+ (aq) + A (aq)Adding alkali will add OH- ions to the solution. These will react with the H+

HD
Answered by Holly D. Chemistry tutor
13576 Views

When do I use the subjunctive?

1- What is the subjunctive? 

It is a mood (not a tense!) which expresses uncertain ideas.

2- So when do I use it? 

Set phrases with 'que' 

Negati...

HP
Answered by Hannah P. French tutor
1546 Views

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