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Why does a plant not take in all of the light energy that reaches their leaves?

There are four main reasons this could occur. The light photon could simply miss the chlorophyll molecule in the plant leaves. If they don't meet, how could the chlorophyll do anything with that light? Furth...
TD
Answered by Thomas D. • Biology tutor
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What is atherosclerosis?

Firstly, let's try to understand what 'atherosclerosis' actually means. To do that, I would recommend understanding the origin of the word. As with most specific terms in biology, the name often explains its...
SA
Answered by Sebastian A. • Biology tutor
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Give two structural differences between a molecule of messenger RNA (mRNA) and a molecule of transfer RNA (tRNA).

To identify the structural differences between these two molecules, its helpful to understand their roles in the building of a protein. (translation and transcription)Their roles give clues to the overall st...
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Answered by Tamara K. • Biology tutor
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Messenger RNA (mRNA) is used during translation to form polypeptides. Describe how mRNA is produced in the nucleus of a cell.

RNA polymerase scans the antisense DNA strand in the 3’ to 5’ direction, until it locates a promotor region. RNA polymerase then unwinds the DNA by breaking the hydrogen bonds between the complementary bases...
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Answered by Alexandra H. • Biology tutor
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What is an enzyme? Can you provide an example of an enzyme found in plants and describe its function? (4 marks)

An enzyme is a protein that is a biological catalyst (meaning it speeds up the rate of a reaction). The most abundant enzyme on earth, Ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco), is an enzyme ...
Answered by • Biology tutor
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