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Determine the Food Sources of Vitamin A?
Vitamin A or retinol performed vitamin A), as you may already know, is found only in foods of animal origin, such as milk, cheese, cream butter; ghee, egg, fish, kidney and liver, liver oils of fish such as halibut, cod and shark. Pro vitamin A (so called because it is a precursor and has to be chemically transformed into retinal) or ß-carotene is found primarily in plant foods, which contain orange or yellow-coloured pigments called carotenoid β-carotene. is the most widely distributed carotenoid in plant foods. Palm fruit and red palm oil are the richest source of beta-carotene and dark green leafy vegetables, ripe Fruits such as mango, papaya, apricots and yellow orange vegetables like carrot, pumpkin and sweet potato are rich in β-carotene. Figure illustrates the sources of Vitamin A and beta-carotene.
Now that we have looked at the sources, let us understand how vitamin A is absorbed and stored in our body.
The Eukaryotic cells have five several DNA polymerases; α, β, γ, δ or ε. The DNA polymerases contained in replication of chromosomal DNA are α and δ. DNA polymerases β or ε are con
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HEAR T OUTPUT The amount of blood pumped by heart per minute. Heart beat is 72. Pump out blood is 70 ml. This 72 × 70 = 5040 ml. ( 5 litres) blood is pumped in a minute.
Your methods so far have given some success! You now want to look at many different tissues in several individuals, some of whom have the mutation, some who are controls. How can y
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