Top answers

Identify the main muscle groups and the movements they perform to perform a squat

The quadriceps work eccentrically on the way down for the squat, as the hamstrings contract concentrically. Then on the way up, the hamstrings relax, while the quadriceps contract concentrically.
AS
4128 Views

Explain how DNA is replicated within the cell.

DNA is replicated within the nucleus of the cell through a process called semi-conservative replication. The first part of the process involves the splitting of the double stranded molecule into two separate...
CB
Answered by Callum B. • Biology tutor
3658 Views

Solve these simultaneous Equations: 4y-2x=8 and 2x-y=7

So there are many different ways of solving this equation, one being that u can find out what one of the values of x and y are and then putting the answer of the value back in the equation. The way to isolat...
HW
Answered by Harrison W. • Maths tutor
4527 Views

Assuming Two's complement convert 10010110 to decimal.

To start off with as it is two's compliment (from the first bit being 1) we have to flip all the bits to get 01101001, then we must add 1 to get 01101010. Then we simply convert this to decimal using normal ...
CW
Answered by Cameron W. • Computing tutor
6345 Views

Explain how the characteristics of a river change as you travel downstream?

A number of river characteristics change as you travel downstream. Firstly, sediment size decreases due to erosion, which causes sediment to get finer and smoother. This happens due to hydraulic action, abra...
RH
Answered by Rosanna H. • Geography tutor
30992 Views