Top answers

Biology
A Level

What is the difference between osmolarity and osmolality?

First of all, it is important to define osmosis. If you have two solutions separated only by a semi-permeable membrane, and one solution is more concentrated than the other, then water will move from the ...

KW
Answered by Kelly W. Biology tutor
11699 Views

What are the 3 ingredients required for evolution to occur?

For a trait to evolve, firstly, there has to be genetic variation among individuals, which will lead to differences in phenotype and cause differences in fitness in a particular environment. These differe...

AD
Answered by Ana D. Biology tutor
11446 Views

Where does the kreb's cycle take place?

In the matrix of the mitochondria

TO
Answered by Tamara O. Biology tutor
3477 Views

What is an ecosystem?

A natural unit consisting of biotic and abiotic factors and their interaction with each other

TO
Answered by Tamara O. Biology tutor
3417 Views

What is the risk of a child inheriting haemophilia A, when both parents are unaffected, but the mothers father suffered from the condition?

If the mother’s father had haemophilia the mother must carry the allele for the condition, as the mother must receive an X chromosome from her father. Therefore, the X chromosome received from her mother ...

RD
Answered by Robert D. Biology tutor
2716 Views

We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning