Top answers

Biology
A Level

What can endotherms do to reduce their body temperature?

Endotherms have a variety of physiological mechanisms which allow them to reduce their body temperature if it deviates too far away from the norm, for example after strenuous exercise. 

<...

LO
Answered by Livia O. Biology tutor
10614 Views

How is meiosis different to mitosis?

Meiosis only takes place in the reproductive organs of plants and animals as opposed to throughout the body like mitosis. Meiosis results in the production of 4 genetically different, haploid gametes a...

AA
Answered by Alexander A. Biology tutor
11296 Views

What is genetic dominance?

Genes are sections of our DNA that have a specific genetic code.  When you're born you get a copy of each gene from your mother and a copy of each gene from your father.  These copies are called allele...

RW
Answered by Ruth W. Biology tutor
3798 Views

What makes DNA molecules so stable?

The main bonding in DNA which renders the double helix structure so stable is that of hydrogen bonds. Between the complementary base pairs, hydrogen bonds connect the two strands of the helix. There are 3...

SA
Answered by Steven A. Biology tutor
56566 Views

Describe the structure of haemoglobin and how it is suited to it's function?

Two alpha subunits and two other subinits that vary depending on th type of haemoglobin, either beta,delta, gamma or epsilon. 

Each subunit contains on heme group. Heme group contains fou...

OF
Answered by Ollie F. Biology tutor
15720 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