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Describe the sequence of events of the clotting cascade that will lead to a blood clot in a damaged blood vessel

Thromboplastin is released from damaged tissue and platelets, which activates an enzyme that catalyses the conversation of the protein prothrombin to thrombin. This occurs in the presence of Calcium and Vita...
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Answered by Laura T. • Biology tutor
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What gives rise to antibiotic resistance?

Key points VARIATION: A population of bacteria aren't all identical, even having all derived from a single bacterium. Rapid genetic exchange gives rise to mutations. SELECTION PRESSURE: By adding the selecti...
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Answered by Aman S. • Biology tutor
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What is the difference between transcription and translation?

Transcription and translation are both part of protein synthesis; when we use the genetic code to make proteins. These words describe two different stages of the process:Transcription is when you use the gen...
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Answered by Amelia G. • Biology tutor
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How would you differentiate the proximal and distal convoluted tubules using light microscopy. Explain your answer.

Using a light microscope, the lumen of the proximal convoluted tubule appears 'hairy' due to the presence of a brush border of microvilli. However, the lumen of the distal convoluted tubule is smooth and cle...
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Answered by Sito E. • Biology tutor
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Name how the structure of the three main blood vessels are adapted to their function.

A) Arteries - Arteries carry blood away from the heart at high blood pressure. Therefore they have a thick muscle layer and elastic tissue in their walls to cope with and maintain the high blood pressure pro...
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Answered by Christa E. • Biology tutor
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