Biochemistry M.Sc Re-test
Paper Biochemistry M.Sc Botany final1
Paper Biochemistry M.Sc Botany final
Biochemistry sample test
Chromosome mutation II
Change in Number One of the major type o chromosome mutation is change in chromosome number. There are two types of numerical changes (1) Euploidy and (2)Aneuploidy 1. Euploidy: (eu = true, ploidy = set of chromosomes) The number of …
Comparison between rhizome and corm
Rhizome Corm 1. It is a prostrate, thickened underground stem 2. It is usually branched and rarely unbranched. 3. It is elongated in shape. 4. It contains a less amount of food material. 5. They are generally perennial and live …
Difference between spine and thorn
Comparison between thorn and spine Spine Thorn Spines are modifications of leaves or parts of leaves. Their function is protection and also prevent excessive water loss. Does not deeply seated and not connected to vascular bundle Exogenous in origin Thorns …
Difference between leaf and leafy shoot
Compound Leaf Leafy Branch 1. Compound leaf never bears are terminal bud 2. Compound leaf, like a simple leaf, always bears and axillary Bud in the axil of leaf, but itself does not arise in the axil of another leaf. …
Attenuation
Like regulation by the trp repressor, attenuation is a mechanism for reducing expression of the trp operon when levels of tryptophan are high. However, rather than blocking initiation of transcription, attenuation prevents completion of transcription. When levels of tryptophan are high, attenuation causes RNA polymerase to stop prematurely …