Top answers

How are membranes classified according to their permeability?

An impermeable membrane is one through which no substance can pass. Semipermeable membranes are those which only let solvents, such as water, pass through them. Permeable membranes are those which let solven...
AM
Answered by Adam M. • Biology tutor
5957 Views

How is water reabsorbed in the loop of Henle?

To understand how water is reabsorbed in the loop of Henle, it helps to first consider what happens in the ascending limb. The ascending limb is permeable to ions but impermeable to water. Ions are pumped ou...
ER
25660 Views

How do we form the pluperfect for regular verbs?

The pluperfect refers to an action at a time earlier than a time in the past already referred to. For example: "j'avais mangé avant de partir". So to form the pluperfect tense we use the imperfect ...
KM
Answered by Kate M. • French tutor
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"The role of the sheriff saw the most important changes in English local government in the period 1066-1215" How far do you agree with this statement?

Intro: (Present factors you will be using in the order you will address them and state your argument) The role of the sheriff fluctuated dependent on kingship; but a general trend saw their duties placed und...
EW
Answered by Eloise W. • History tutor
3289 Views

What can be used to iterate through a list in python?

A for loop can be used to loop through a set of data or a list a specified number of times. This helps us to repeat an operation several times as well as access the list at different points. For example for ...
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Answered by Joshua Z. • Python tutor
1935 Views