Top answers

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
15148 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
3117 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
6029 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
12209 Views

How do the actions of steroid hormones cause proteins to be made?

Steroid hormones move across the cell membrane to enter the cell (they can move through easily as they are made of lipid and are therefore non-polar, and also are generally quite small). They bind to recepto...
SA
Answered by Samhitha A. • Biology tutor
3728 Views