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When 10,000 molecules of ATP are hydrolyzed to ADP and i in a test tube, about half as much heat is liberated as when a cell hydrolyzes the same amount of ATP. Which of the following is the best explanation for this observation?

Proteins coded for by nuclear DNA but found within mitochondria move from the cytoplasm into mitochondria using _____.

Mr KV, 64 year old, has presented to their GP with symptoms of breathlessness. He has a past medical history of hypertension and angina. He has no acute chest pain. As part of the investigations the GP has ordered a BNP level. In relation to Serum natriuretic peptides, which statement is CORRECT?

Mr BA has the following blood results: Serum Folate:    11mcg/L               (3.89 – 26.8) Serum B12:         60ng/L                  (191 – 663) The haematologist orders a test for anti-intrinsic antibodies, what is the significance of this test?

The chemiosmotic process in chloroplasts involves the _____.

Which statement relating to anaemia is NOT CORRECT?

Use the following figure to answer the questions below.The figure shows the absorption spectrum for chlorophyll a and the action spectrum for photosynthesis. Why are they different?

What kind of molecules serve as electron acceptors in cellular respiration?

Enzymes _____.

Use the following figure to answer the questions below.The accompanying figure shows the electron transport chain. Which of the following is the combination of substances that is initially added to the chain?