Top answers

Biology
All levels

What molecules are proteins made of? (1 mark)

Amino acids

JS
Answered by Joseph S. Biology tutor
1889 Views

How do blood vessels control body temperature?

Blood vessels control body temperature both, when the temperature gets too high as well as when it gets too low, since heat is carried in the blood stream. When the core body temperature gets too high, th...

EW
Answered by Emily W. Biology tutor
3024 Views

Explain the importance of body temperature regulation in humans. (3)

To allow enzymes to function at an optimal temperature, in order to maintain a constant rate of metabolism. To prevent denaturing of enzymes such as pepsin (or other named enzyme).To avoid cell membranes ...

EG
Answered by Edward G. Biology tutor
4013 Views

Describe the differences between aerobic and anaerobic respiration.

Glucose is the main molecule used for respiration and is given the name of 'main respiratory substrate'. It is the main respiratory substrate in both aerobic and anaerobic respiration processes. Aerobi...

JW
Answered by Joe W. Biology tutor
2457 Views

How does a vaccination work?

To start we need to ask: what causes an infection? The answer is a pathogen, which is a microbe that causes disease. These can be bacteria or viruses. A vaccine contains dead or inactive pathogens that ar...

JS
Answered by Jessica S. Biology tutor
2144 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