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Match the metals of Column - I with the ...

Match the metals of Column - I with the biological origin of Column - II :
`{:((A),"Chromium",(p),"Chloroplast"),((B),"Iron",(q),"Haemoglobin"),((C),"Zinc",(r),"Eyes of cats and cows"),((D),"Calcium",(s),"Prown"),(,,(t),"Bones"):}`

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To solve the problem of matching the metals in Column - I with their biological origins in Column - II, we will analyze each metal and its corresponding biological significance step by step. ### Step-by-Step Solution: 1. **Chromium (A)**: - Chromium is known to be associated with certain biological functions, but it is particularly noted for its role in the metabolism of carbohydrates and lipids. However, in the context of the options provided, it is often linked with the biological structure of **prawn** (s). - **Match**: A - s (Chromium - Prawn) 2. **Iron (B)**: - Iron is a crucial component of hemoglobin, which is responsible for oxygen transport in the blood. Additionally, iron is also involved in the biosynthesis of chlorophyll in plants, which is found in chloroplasts. - **Match**: B - q (Iron - Haemoglobin) 3. **Zinc (C)**: - Zinc is an essential trace element that plays a vital role in various biological functions, including vision. It is particularly noted for its presence in the eyes of cats and cows, where it contributes to the functioning of the retina. - **Match**: C - r (Zinc - Eyes of cats and cows) 4. **Calcium (D)**: - Calcium is well-known for its role in the formation of bones and teeth. It is essential for bone growth and maintenance. - **Match**: D - t (Calcium - Bones) ### Final Matches: - A - s (Chromium - Prawn) - B - q (Iron - Haemoglobin) - C - r (Zinc - Eyes of cats and cows) - D - t (Calcium - Bones)
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