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What is the function of the Loop of Henle?

The loop of Henle is found in the medulla of the Kidney. Its primary function is reabsorption of NaCl and water. Through the counter-current multiplier effect, a hypertonic medulla is created allowing reabso...
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Answered by Asfandyar G. • Biology tutor
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What are the different levels of protein structure and what do they entail?

Primary: The specific sequence of amino acids that make up the protein bound together by peptide bonds. There are 20 different amino acids, differing due to the variable R group coming off the central carbon...
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Answered by Freya S. • Biology tutor
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Suggest how natural selection has increased the number of resistant bacteria strains in hospitals

Bacteria are cells which have natural genetic mutations, thus some bacteria will have advantageous mutations in their DNA. The use of antibiotics in hospitals create a selection pressure on the bacteria popu...
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Answered by Runzhi C. • Biology tutor
3951 Views

When playing football, a footballer's body temperature increases. Explain how the brain monitors body temperature

After reading this question we know that exercise causes body temperature to rise. The question is asking how the brain monitors body temperature, with the key words being 'explain' and ' how' . The question...
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Answered by Natalia A. • Biology tutor
5884 Views

What are the four levels of protein structure? Please name and describe each level.

Primary - where amino acids are in the correct order in the polypeptide chain. Secondary - where small structures within the chain begin to form (including alpha helices and beta pleated sheets). Tertiary - ...
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Answered by Leah Y. • Biology tutor
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