Top answers

Biology
All levels

Outline the role and organisation of the autonomic nervous system in mammals

The are two main areas of the autonomic nervous system are the sympathetic and the parasympathetic nervous systems. These are contrasting pathways and their main function is to regulate internal organ f...

CT
8380 Views

When a new antigen is presented to the immune system, an immune response leads to antibodies are released. The second time this happens it is much faster - explain why

In the primary immune response, there is antigen presentation followed by clonal selection, expansion and differentiation of helper t cells. This leads to plasma cells releasing antibodies and the develop...

MR
Answered by Maxine R. Biology tutor
2657 Views

List the differences between and eukaryotic and prokaryotic cell

Eukaryotic cell: Linear chromosomes, DNA bound to proteins (histones), DNA found within a nucleus (nucleus present), membrane bound organelles, cell wall not present in animal cells but present in plant a...

ND
Answered by Niamh D. Biology tutor
2175 Views

What is a parasite?

An organism which feeds off the resources of its host, this has a negative impact on the host and a positive impact on the parasitic organism

ND
Answered by Niamh D. Biology tutor
3464 Views

Explain the differences between active transport and facilitated diffusion.

Active transport is an active process meaning it requires the use of ATP, whereas facilitated diffusion is a passive process meaning it does not need ATP.To carry out the process active transport only req...

ND
Answered by Niamh D. Biology tutor
48906 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