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Biology
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Describe the process of transcription

Transcription is the first step in gene expression that copies a DNA molecule into an RNA molecule (transcript). Such RNA molecules can either be mRNAs, if the gene that is transcribed is protein coding, ...

Answered by Marija P. Biology tutor
3242 Views

Describe how you would test for the presence of glucose in fruits

firstly, macerate the fruit and add a few drops of clear blue Benedict's solution place in a hot waterbath to heat mixture for 5 minutesif glucose is present, the solution will turn from blue to a brick r...

Answered by Sinchana L. Biology tutor
12677 Views

Give two similarities and two differences between the structure of starch and cellulose polysaccharides (4 marks).

Similarities (up to 2 marks, 1 mark each): Both linked by glucose monomers. Monosaccharides are linked by 1,4 glycosidic bonds. Monosaccharides are joined together via condensation reactions. Both polysac...

Answered by Jacob D. Biology tutor
49576 Views

What is the function of the waxy cuticle?

It prevents evaporation of water from the leaf to reduce the loss of water

Answered by Josephine S. Biology tutor
5056 Views

Name 3 barriers against infection

Any 3 from. Skin. Mucus -in nose, trachea (cilia waft the mucus into the stomach to be destroyed) . Stomach acid. lysosomes (e.g. in tears and saliva)

Answered by Josephine S. Biology tutor
2026 Views

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