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How are phospholipids arranged in the cell membrane?

Phosopholipids have a hyrdophilic head which is orientated towards the cytoplasm or the interstice, and hydrophobic tales which are orientated towards the inside of the membrane, hydrophobic interactions ...

HK
Answered by Henry K. Biology tutor
4631 Views

An Enzyme has lost is function, it has become denatured. What can be the cause of denaturation? Why does the enzyme no longer function?

High temperature can cause the denaturation of proteins (enzymes), this is due to bonds in the proteins breaking. The shape of the active site no longer works, the lock and key mechanism is no longer achi...

HK
Answered by Henry K. Biology tutor
5612 Views

Solve: 5x - 2 > 3x + 11

5x - 2 > 3x + 11
5x - 3x > 11 + 2 
2x > 13
x > 13/2 
x > 6.5

HK
Answered by Henry K. Maths tutor
3874 Views

A compound is found to contain 30.7% Sulfur, 23,3% Magnesium and 46% Oxygen. What is the empirical formula of the compound?

  1. Change % of elements in to moles: 30.7 mol of S, 23.3 mol of Mg and 46 mol of O2.
  2. Find the mass of each of the elements: 30.7 mol / 32.06 g/mol = 0.96 g of S;  23.3 mol / 2...
HK
Answered by Henry K. Chemistry tutor
19148 Views

Complete the equation: Zn(s) + H2SO4 (aq) –> ...... + ......

Zn(s) + H2SO4 (aq) –> ZnSO4(aq) + H2(g)

Zinc reacts with sulfuric acid to form zinc sulphate and hydrogen gas

HK
Answered by Henry K. Chemistry tutor
5721 Views

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