Top answers


How are signals transmitted across the synaptic cleft?

When the action potential reaches the synaptic knob it causes voltage-gated calcium ion channels to open, allowing calcium ions to diffuse in. These calcium ions cause synaptic vesicles containing acetylchol...
DE
Answered by Dani E. • Biology tutor
4671 Views

A guanine is swapped for a thymine in a gene sequence. Explain how this may alter the function of the protein it translates.

The alteration in the nucleotide sequence of the gene may result in a change in the amino acid sequence of the protein during translation. Each set of three RNA nucleotides (anticodon) is recognised by a rib...
MD
Answered by Matthew D. • Biology tutor
4551 Views

How do I form the subjunctive?

The subjunctive in French can be really hard to get your head around - particularly as it's something we're not really used to in English! But luckily, forming the subjunctive is actually a really simple pro...
HW
Answered by Hannah W. • French tutor
3580 Views

Find the area encompassed by y=(3-x)x^2 and y=x(4-x) between x=0 and x=2.

This is an integration question. The limits have been provided. Firstly find the integral for the first curve int{x(4-x)}dx int{4x-x 2 }dx 2x 2 -x 3 /3 Apply the limits x=2,0 [2(2) 2 -(2) 3 /3]-[2(0) 2 -(0) ...
AD
Answered by Anthony D. • Maths tutor
4100 Views

How do I go about analysing a poem?

Analysing a poem may appear daunting, but by going through it methodically you can ensure that you maximise your grade potential. Begin with the content of the poem , for example Emily Dickinson's 'I heard a...
RD
5320 Views