Top answers

How should I go about solving a quadratic equation?

There are more ways how to solve such equation:You can use the quadratic formula after rearranging the equation into the standard form. That is the safest way because you just learn the formula and use it ov...
LM
Answered by Linda M. • Maths tutor
3371 Views

Why does temperature effect the resistance of conductors?

The resistance of a conductor increases with temperature. This is because as the temperature increases the atomic lattice of the conductor has more energy so begins to vibrate more. This means it is more lik...
PE
Answered by Peter E. • Physics tutor
39222 Views

Why does lithium have a higher melting point than sodium

Melting point decreases going from lithium to sodium because sodium is lower down group one therefore it has a greater number of shells. A greater number of shells means a greater atomic radius - a greater s...
JO
Answered by Jim O. • Chemistry tutor
15829 Views

What is the bonding in a DNA double helix

Adenine, Guanine, Cytosine, Thymine.A binds to T. “A tea for 2” as there are two hydrogen bonds linking adenine on one DNA strand to thymine on another DNA strandc binds to G. 3 hydrogen bonds between them
JO
Answered by Jim O. • Biology tutor
3700 Views

Explain how certain molecules or ions increase the activity of enzymes.

Cofactors and coenzymes bind to an enzyme's allosteric site. This causes interactions between hydrogen bonds in the tertiary structure of the protein to change- altering its structure.The change of structure...
BC
Answered by Ben C. • Biology tutor
10749 Views