Skip to content

Course home

Sign up

3.3 Maintaining internal environments

EasyMediumHard
1234567891011121314151617181920212223242526272829303132333435363738
Question 31
H

People with type 1 diabetes are treated with insulin.

The insulin is injected rather than taken as a tablet by mouth.

Which statement explains why?

[1]
A

Insulin is a protein, so it would be digested by enzymes in the gut.

B

Insulin is a protein, so it is too large to be digested in the gut.

C

Insulin is a sugar, so it would be absorbed too quickly from the gut.

D

Insulin is a lipid, so it would be broken down by bile in the gut.

Markscheme

3.3 Maintaining internal environments Questions

  1. GCSE
  2. /Biology
  3. /3.3 Maintaining internal environments

72 exam-style questions on OCR GCSE Biology 3.3 Maintaining internal environments, covering 3.3.1 Importance of a constant internal environment, 3.3.2 The skin and body temperature, 3.3.3 Insulin and blood sugar, 3.3.4 Glucagon and blood sugar, 3.3.5 Type 1 and type 2 diabetes, 3.3.6 Osmotic changes in body fluids, 3.3.7 Kidneys and water balance, 3.3.8 Structure of the kidney and tubule, 3.3.9 ADH and kidney tubule permeability, and 3.3.10 Responses to temperature and osmotic challenges. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank