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What is an enzyme and explain the effect of two environmental factors on their efficiency?

Enzymes act as biological catalysts for reaction that occur in organisms such as animals and plants. This means that they help to speed up reactions, or allow them to take place at lower activation energy le...
OC
Answered by Oliver C. • Biology tutor
5177 Views

Describe the role of RuBISCO in photosynthesis.

RuBISCO is an enzyme that is involved in the light independent reactions of photosynthesis, specifically, in the Calvin Cycle. This reaction takes place in the stroma. It catalyses the reaction of carbon dio...
CD
Answered by Claudia D. • Biology tutor
31720 Views

Label the parts marked on the diagram of the eye

Part 1) - the retina It contains light sensitive cells - the rods/cones Part 2) the vitreous humour It maintains the shape of the eye
NO
Answered by Niamh O. • Biology tutor
5475 Views

I have a DNA molecule with the bases A, C, G on one side. Complete the model by filling in the missing pair bases.

This is an easy one if you just remember two simple facts. A binds to T and C binds to G Since we have the bases A, C, G to pair with now we know, the answer must be.....? T, G, C !
NO
Answered by Niamh O. • Biology tutor
3831 Views

Outline the structure and function of the plasma membrane

The plasma membrane is composed of a phospholipid by-layer. These phospholipid molecules are arranged in a double sheet which are stable yet fluid. These molecules have hydrophobic tails and hydrophilic head...
NL
Answered by Nathan L. • Biology tutor
6412 Views