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12 Mar 2019

Mg is a component of

(a) chlorophyll

(b) cytochrome

(c) haemoglobin

(d) haemocyanin.

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Keith Leannon
Keith LeannonLv2
13 Mar 2019

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Related questions

Which pigment absorbs the red and far-red light?

(a) cytochrome

(b) phytochrome

(c) carotenoids

(d) chlorophyll.

Question 2

a.) Describe the structure and function of haemoglobin (Hb). You should include a description of both tertiary and quaternary structures of the protein and the location and function of non-protein components.

b.) List the sequence of intra-molecular movements that results in the conformational change of haemoglobin when it binds oxygen.

c.) Explain why binding affinity of carbon monoxide (CO) to haem (heme) is reduced when haem is incorporated into myoglobin or haemoglobin.

Chlorophyll a and chlorophyll b are pigments that capture the light energy that powers photosynthesis. Which of the following are true?

A. Chlorophyll pigments are integral parts of photosystem I and II.

B. Chlorophyll pigments are integral parts of the Calvin Cycle.

C. Chlorophyll is reduced in photosynthesis.

D. Chlorophyll is oxidized in photosynthesis.

E. Chlorophyll is found in the stroma.

F. Chlorophyll is found in the thylakoid membranes.

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