Top answers

Biology
All levels

How is the tertiary structure of an enzyme important to its function?

The tertiary structure involves four types of bonds being made between secondary alpha helices or beta pleated sheets. These are disulfide bridges, hydrophilic/hydrophobic bonds, ionic bonds and hydrogen ...

JB
Answered by Jessica B. Biology tutor
18947 Views

What are the main differences between RNA and DNA molecules?

When it comes to structure single strands of DNA and RNA are highly similar. However, there are few major differences which reflect the different functions of these molecules. Namely, DNA acts as a geneti...

TR
Answered by Ted R. Biology tutor
2921 Views

Explain how desert plants have adapted to help them survive in extreme environments

Think about the extreme conditions found in desertsHot temperaturesLack of water for long periods of timeVulnerable to animals
Think about the characteristics of these plants:Small leavesSpikesLarge ...

CB
Answered by Chloe B. Biology tutor
3597 Views

Describe how living plants are involved in the carbon cycle.

Think about what carbon is used for, and also what plants are required for.
Plants take in carbon dioxide from their surroundings, which enables them to undergo photosynthesis. At night, plants respi...

EW
Answered by Ellie W. Biology tutor
2767 Views

Outline the process of neuronal communication between two neurones

Ensure that your answer is precise, without too much waffle - this can confuse examiners and you'll lose easy marks! Take it step by step:
First, the neurotransmitter, acety...

EW
Answered by Ellie W. Biology tutor
2625 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