Top answers

Describe the synaptic transmission of a nerve impulse

-action potential arrives at the axon terminal -voltage gated calcium ion channels open (due to the influx of sodium), -calcium ions diffuse into the synaptic knob -synaptic vesicles containing the neurotran...
PB
Answered by Phoebe B. • Biology tutor
2928 Views

Describe the consequences of base substitution mutation with regards to sickle cell anaemia

In every gene, a sequence of three nucleotide bases will code for an amino acids, many of which form a protein. Within the normal gene for haemoglobin, the sequence of bases will code to produce amino acids ...
CR
Answered by Charlotte R. • Biology tutor
20064 Views

What does it mean when the exam paper asks me to "assess the validity of X"?

To "assess" the viewpoint which the exam paper has given to you, you must do two things - first you must discuss how the viewpoint is valid and seems correct according to what you have learnt, and ...
AC
Answered by Antonia C. • History tutor
13139 Views

Dans une pâtisserie on peut chercher....

Un gâteau
RR
Answered by Rebecca R. • French tutor
2730 Views

Bestellen Sie als Nachtisch ein Stück Erdbeertorte. Was möchten Sie?

Strawberry cake
RR
Answered by Rebecca R. • German tutor
2190 Views