Biology AQA A level common questions latest 2023 with complete solutions

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Biology AQA A level common questions latest 2023 with complete solutions give two factors other than age and gender that would affect the concentration of creatinine in the blood ? ✔✔muscle/ bo... dy mass ethnicity Explain how the cells of the collecting duct are able to absorb water from the filtrate through the protein channels in their plasma membranes? ✔✔lower w.p/ more negative inside tubule cells so h2o enters by osmosis Suggest why diabetes insipidus is more common in males ? ✔✔Bc males only have X chromosome do not have Y chromosome single copy of recessive allele will be expressed A recessive allele which has harmful effects is able to reach a higher frequency in a population than a harmful dominant allele. Explain how ? ✔✔recessive allele can be carried by individuals showing effects dominant allel always expressed organisms that are affected are more likely to reproduce therefore recessive alleles are more likely to be passed on In some forms of kidney disease, proteins from the blood plasma are found in the urine. Which part of the nephron would have been damaged by the disease to cause proteins from blood plasma to be present in the urine? Explain your answer [Show More]

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