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What is the role of bile in digestion?

Bile basically has the same function as washing up liquid, it makes it easier to break down fatty material. It is released by the liver, and stored in the gall bladder, before being released into the small i...
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Answered by Kalyan M. • Biology tutor
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mRNA is used during translation to form polypeptides. Describe how mRNA is produced in the nucleus of a cell. (6)

The first step in biology is always to make sure you understand and always use specialist biological terms - it's often said you almost learn more vocab in biology A level than you do in French, and if I had...
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Answered by Omar E. • Biology tutor
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Describe the structure and bonding that contributes to a functional protein.

Translation of an mRNA transcript by ribosomes produces the two-dimensional primary structure – a linear sequence of amino acids held together by strong peptide (covalent) bonds . This linear sequence typica...
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Answered by Edwin J. • Biology tutor
3466 Views

What are the main similarities and differences between DNA and RNA?

-DNA and RNA are very similar in their molecular structure. Both of them are formed by smaller units called nucleotides. A nucleotide is composed by 3 parts: a sugar group, a phosphate group and a nitrogenou...
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Answered by Hossain D. • Biology tutor
15037 Views

How is enzymatic activity affected by temperature and substrate concentration?

Increasing temperature gives more kinetic energy to both enzyme and substrate so they move more and with more energy. They can then collide more frequently allow more binding so the rate of reaction increase...
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Answered by Afrasiyab M. • Biology tutor
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