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Explain why alkenes can have stereoisomers

"Stereo-" refers to 3D space, like with stereo sound involving sound from all directions. The C=C double bond has no free rotation, as this would require breaking the pi bond, which is energeti...

Answered by Kieran B. • Chemistry tutor

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Describe the measures the body takes to achieve homeostasis in response to temperature changes

The body is able to utilise a number of measures in order to maintain an optimum body temperature of around 37 degrees celsius. Firstly, capillaries close to the skin surface are able to vasodilate (expan...

Answered by Adam B. • Biology tutor

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Use implicit differentiation to find the derivative of 2yx^2, with respect to x.

To solve this question we use the product rule, where we differentiate one variable whilst keeping the other constant, and vice versa, adding the two results together to get our answer. A helpful formula ...

Answered by Daniel W. • Maths tutor

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Describe the synaptic transmission of a nerve impulse at the neuromuscular junction

As an action potential arrives at the presynaptic terminal, a depolarisation of the motor neuron membrane occurs which initiates the opening of voltage-gated Ca²⁺ion channels - releasing Ca

Answered by Adam B. • Biology tutor

7194 Views

How do I form the pluperfect subjunctive?

In Spanish, the pluperfect subjunctive (pluscuamperfecto de subjuntivo) refers to an action in the very distant past, much like the pluperfect indicative (había/habías...-ado/ido). However, the s...

Answered by Michael W. • Spanish tutor

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