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Excretion as an example of homeostatic control

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Question 5

The hormone human chorionic gonadotropin (hCG) is filtered by the kidneys and can be detected in urine to confirm pregnancy.

Which of the following properties of hCG allows it to pass through the glomerular filtration barrier and enter the kidney tubule?

A

hCG is a glycoprotein with highly branched carbohydrate side chains

B

hCG is a polar molecule that dissolves readily in blood plasma

C

hCG has a molecular mass of less than 69,000

D

hCG is composed of two distinct polypeptide subunits

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Excretion as an example of homeostatic control Questions

  1. A Level
  2. /Biology
  3. /Excretion as an example of homeostatic control

17 exam-style questions on OCR A A Level Biology Excretion as an example of homeostatic control. Each one has a worked solution and a mark scheme showing where the marks go.

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