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What are the different types proteins in the body?

Proteins are polymers composed of amino acids (monomers) which are joined together. The shape of the protein has an impact on its role within the body. Muscles, hormones, antibodies and enzymes (biological c...
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Answered by Abigail H. • Biology tutor
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Explain the process that occurs in neuromuscular junctions from when the action potential in the pre-synaptic knob to transmission in the next neurone (6 marks).

The action potential in the pre-synaptic neurone causes calcium ion channels to open This causes calcium ions to diffuse into the neurone, down its concentration gradient This causes vesicles containing acet...
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Answered by Holly E. • Biology tutor
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Describe the process of osmosis

Osmosis is the movement of water molecules from a high partial pressure (or concentration) to a low partial pressure (or concentration) down a partial pressure (concentration) gradient. For example, think of...
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Answered by Alisha F. • Biology tutor
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How does not completing a course of antibiotics lead to increased immunity within a population of bacteria?

As you take the antibiotics, it begins to kill bacteria causing infection within your body, however not all bacteria are created equal, and some are more resilient to the antibiotics than others. Naturally, ...
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Answered by Rob I. • Biology tutor
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How does the body control its temperature?

Thermoregulation is an example of homeostasis - the process by which the body maintains an optimum state. The body must maintain a stable temperature because extreme lows and highs of temperature can affect ...
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Answered by Dasha A. • Biology tutor
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