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What is Barfoed's test and its principle?
This test is a specific test for monosaccharides.
Principle
This test is also a copper reduction test but differs from Fehling's and Benedict's test in the medium of reduction. The reduction takes place in acidic medium and unlike Benedict's and Fehling's test where we learnt that reduction takes place in alkaline medium. Only strong reducing agents can reduce cupric ions in acidic medium and since monosaccharides are strong reducing agents, they give this test.
Factors that affects Oxygen Dissociation Curves Oxygen dissociation curve for a sample of blood is affected by several factors. The most important of them are: Te
A cell in G1 of interphase has 12 chromosomes. How many chromosomes and DNA molecules will be found per cell when this original cell progresses to the G2?
Oligomeric enzymes Oligomeric proteins consist of two or more polypeptide chains, which are usually linked to each other by non-covalent interactions and never by peptide bonds
Hom o sapiens fossilis (CRO-MAGNO N MAN) - Fossils found from Cro-Magnon, France by Mac Gregor (1868) Replaced Neanderthal man about 35.000 years ago Sharp nose
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What is the importance of mitosis for the embryonic development? Every embryo grows from a single cell that suffers mitosis and operates other cells that also divide themselves
Once quite widespread throughout Asia and Africa, there has been a large reduction of the cheetah's habitat and numbers though it is still seen in widely separated areas of Africa.
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