Top answers

All subjects
All levels

Describe how water moves from roots to the leaves.

Water moves from the roots to the leaves through tissue called the xylem, in a process called transpiration. As water evaporates out of the leaf, more water is 'pulled upwards' to replace what has been lo...

PS
Answered by Philippa S. Biology tutor
59324 Views

Maltose is hydrolysed by the enzyme maltase. Explain why maltase catalyses only this reaction.

The enzyme maltose will always fold into in a tertiary structure, which results in the active site being in a specific shape that only the substrate maltase can bind to. This is often illustrated using th...

PS
Answered by Philippa S. Biology tutor
26178 Views

How do I know when to use the subjunctive mood in Spanish?

The subjunctive is notoriously difficult to master but its use does tend to follow particular rules. At this level it is important to know and have a good understanding of the folloiwing conditions which ...

FC
Answered by Freddie C. Spanish tutor
2911 Views

Explain why sodium is more reactive than Lithium? (4 marks)

Na has more electron shells/ energy levels than Li. This means that Na has a greater atomic radius than Li. Therefore, the outer shell electron in Na experiences a weaker nuclear attraction than in Li. Le...

HM
Answered by Haider M. Chemistry tutor
45572 Views

What can I do to impress Oxbridge interviewers and what are they looking for?

Oxbridge interviewers want to see how you think. One tip is to think out loud, explain your thought process- if you don't get the answer right, it might not matter. It's about how you got to it. They also...

EF
2142 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:

© 2026 by IXL Learning