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Explain about enzymes
All enzymes are proteins. Many enzyme proteins lack catalytic activity in the absence of a non-protein component, called a 'co-factor'. In this case, the inactive protein component of an enzyme is termed the 'apoenzyme' and the active enzyme, including the cofactor, the 'holoenzyme'. The cofactor may be an organic molecule, when it is known as a 'coenzyme' or it may be a metal ion.
Which one of the following statements about human sperm is correct? 1. Acrosome has a conical pointed structure used for piercing and penetrating the egg, resulting in fertilis
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D i a g no s i s Diagnosis, the key for successful management of the disease problem, refers to identification of the cause of a disease. The process of diagnosis requir
Ethylene - Plant Growth Substances This hydrocarbon C 2 H 2 is a gas and is unbelievably a small and simple molecule to be accepted as a hormone. Ethylene is not produced by
Access through the crown Advantages : -Allow for better isolation with the rubber dam -Better esthetic anf functioning. -Good coronal seal between visits Limitations : -Proc
a) What new combinations of characteristics might arise in the offspring when a tall plant with white flowers is crossed with a dwarf plant (of the similar species) with red flower
Suppose that a portion of double-stranded DNA in the middle of a large gene is being transcribed by an RNA polymerase. As the polymerase moves through the sequence of six bases sho
What is the difference among essential and natural amino acids? Essential amino acids are those that the organism is not able to synthesize and that require to be ingested by t
Define Aim of Neotaxonomy or Systematic or Biosystematics The aim of neotaxonomy or systematic or biosystematics is not only to describe, identify and arrange organisms in conv
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