Top answers

Guillain-Barré syndrome and multiple sclerosis both cause muscle weakness and loss of muscle function. Suggest and describe how the function of neuromuscular junctions will be affected by Guillain-Barré syndrome and multiple sclerosis.

As both disorders reduce the speed at which nerve impulses are conducted, there will be fewer action potentials conducted at the neuromuscular junction (NMJ). With fewer action potentials reaching the NMJ, l...
HS
Answered by Hibba S. • Biology tutor
9959 Views

Explain why podocytes are usually unable to undergo mitosis.

The podocytes are arrested at G 0 of the cell cycle . If podocytes frequently underwent mitosis, it would alter the number and therefore the size of the fenestrations on the Bowman’s capsule, changing the ul...
HS
Answered by Hibba S. • Biology tutor
15141 Views

What’s the difference between gerunds and gerundives?

Gerunds are verbal nouns which denote actions, whereas gerundives are verbal adjectives which indicate obligation. They both have the -nd- endings and so can be difficult to distinguish. Gerunds are always n...
FH
Answered by Fergus H. • Latin tutor
3115 Views

What are stable ecosystems? Can you give an example?

A stable ecosystem is where the outputs (losses of the ecosystem) equal the inputs (gains) - there is a balance. They are supported by what they produce, and their structure and function remain constant for ...
SA
Answered by Samhitha A. • Biology tutor
6024 Views

Starch is made from two alpha-glucose polymers, amylose and amylopectin. Which is quicker to break down and why?

Amylose is formed from 1-4 glycosidic bonds, creating a compact spiral structure. It is unbranched, therefore enzymes can only work from either end to break the bonds and release glucose monomers - broken do...
SA
Answered by Samhitha A. • Biology tutor
12201 Views