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

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?

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?

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?

Scientists have found that polypeptides that are normally synthesized in the endoplasmic reticulum are about 20 amino acids longer when they are synthesized by ribosomes not attached to the endoplasmic reticulum. What is a possible explanation for the greater length of these polypeptides?