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Biology
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Name 3 differences between RNA and DNA (3).

RNA is single stranded however DNA is double stranded. RNA contains the base uracil however DNA contains the base thymine. RNA contains the sugar ribose however DNA contains the sugar deoxyribose. RNA is ...

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Answered by Samodani W. Biology tutor
2885 Views

Explain how antibiotic resistance can be developed by bacterial populations.

Within the initial population of bacteria, some will have an allele that provides them with resistance to a specific antibiotic which is due to mutations, random spontaneous changes in the base sequence o...

Answered by Biology tutor
2462 Views

Define the term osmosis

Osmosis is the movement of water particles from an area of high concentration to an area of low concentration through a partially permeable membrane along a concentration gradient.

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Answered by Alice D. Biology tutor
3023 Views

State the function of the enzyme lactase

Break down the disaccharide lactose to the monosaccharides glucose and galactose.

Answered by Biology tutor
2012 Views

There are many specialised cells in the body which have developed from embryonic stem cells. What is the name used to describe this process? Go on to describe how this process may occur.

Process - Differentiation.Explanation - The only genes which are expressed in the cell are those which are characteristic to that cell type.

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Answered by Rory B. Biology tutor
1325 Views

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