Top answers

All subjects
All levels

Describe that lock and key hypothesis

Enzymes are biological catalysts, which means that they increase the rate of a specific reaction by lowing the required activation energy.
The lock and key hypothesis explains how the substrate (key)...

WW
Answered by William W. Biology tutor
7222 Views

Show that (sec(x))^2 /(sec(x)+1)(sec(x)-1) can be written as (cosec(x))^2.

( sec2(x))/((sec(x)+1)(sec(x)-1))Then, by the rule of 'difference of two squares', we know that this equals= (sec2(x))/(sec2(x)-1)= (sec2x/tan2x)s...

RS
Answered by Rishi S. Maths tutor
10608 Views

Descrivi la tua famiglia

The question can be approached in several ways. I personally find useful to have a general idea of the answer as a whole in my head before starting to speak out loud. The trick is to not get lost in your ...

FR
Answered by Federica R. Italian tutor
3090 Views

Talk about a topical social issue affecting Russia or a Russian-speaking country today.

This question demands a topical issue such as the dangers of alcoholism or drug abuse. I would encourage the student to thoroughly learn topical vocabulary and help them to devise techniques, such as flas...

LM
Answered by Lia M. Russian tutor
1152 Views

Work out ∛16 as a power of two. (AQA GCSE Higher paper 2017, Q24b)

When you're working with fractional indices, I find the following rhyme really useful:"Fractional indices are like a flower: the bottom's the root, the top's the power".We have a cube root <...

RD
Answered by Ruth D. Maths tutor
19123 Views

We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences