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Q. Mismatch and Recombinational repair?
Mismatch repair:
1. Mismatches can take place when DNA polymerase inserts wrong nucleotide during replication 2. Mismatch repair is"coupled" to replication
Recombinational repair:
1. Takes place during DNA replication 2. Major steps: (a) DNA polymerase skips over damaged DNA leaving a gap opposite the lesion (b) Undamaged parental strand recombines into the gap (this is facilitated by recA protein in E. coli) (c) the new gap in parental strand is filled by DNA polymerase and ligase.
Q. Why isn't the cooking of vitamin C-containing foods appropriate for vitamin C supply? To obtain vitamin C, for instance, from an orange dessert, the vitamin- containing food
Explain about the Canning of Food? You must have seen the markets flooded with canned products. Can you name a few of such products? Yes the canned juices, canned aerated drink
Extracted chlorophyll pigments If we take chlorophyll molecule in a test tube and provide 2 CO and water and expose the mixture to sunlight, glucose is not formed. If we
Q. Explain Spoilage by fungi and bacteria? The dominant spoilage organisms in fruits are fungi, as their pH is low (normally 5),whereas the pH of vegetables is fiom 5.0 to 7
What are the inheritance and dominance patterns of the Rh blood system? The inheritance pattern of the Rh blood system is autosomal dominant, i.e., the heterozygous manifests a
TYPE S OF BONE - On the basis of its texture , a bone is of two types - Spongy or cancellous or tubercular bone and Compact or periosteal or dense bone.
REPRODUCTIV E ISOLATION - According to the biological species concept, members of one species are reproductively isolated from members of all other species. Accordingly, re
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How do biodiversity, the total number of living beings and the biomass respectively vary during the ecological succession? Biodiversity, the number of living beings and the bio
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