Top answers

Name 3 differences between animal cells and plant cells and explain the differences.

Plant cells have a cell wall in addition to their cell membranes while animal cells only have a surrounding membrane. This allows plants to have more rigid shape so they can grow without collapsing. Plant ce...
EW
Answered by Emmy W. • Science tutor
139742 Views

Simplify (4^2)*(2^3)*16

Indice rules are fundamental in answering this question 1) (a b )(a c ) = a (b+c) 2) (a b )/(a c ) = a (b-c) 3) (a b ) c = a (b c) 4) a (-b) = 1/(a b ) 5) a 0 = 1 We can simplify 4 2 to (2 2 ) 2 and using ru...
OW
Answered by Oak W. • Maths tutor
3891 Views

What provides the centripetal force on a satellite and what are the factors that determine the size of the centripetal force on the satellite

Centripetal Force = (mv^2)/r The centripetal force must always act towards the centre of the circle in which the satellite is travelling. Therefore it is a attractive force from the Earth and hence gravitati...
NH
Answered by Namita H. • Physics tutor
13618 Views

Why would the simple diffusion of chloride ions across a cell membrane be extremely slow?

There are differnet ways that substances can move across a cell surface; simple diffusion, facilitated diffusion, osmosis or active transport. Most substances can move across the cell membrane via simple dif...
JB
Answered by Jess B. • Biology tutor
42094 Views

Solve 6x-5 > 4x+13

6x - 5 > 4x + 13 (Take away 4x from each side) 2x - 5 > 13 (Add 5 to each side) 2x > 18 (Divide both sides by 2) x > 9
NH
Answered by Namita H. • Maths tutor
7219 Views