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a. Nucleus b. Mitochondria c. Cell wall d. Protoplast. 

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a. 	Nucleus  b. 	Mitochondria   c. 	Cell wall d. 	Protoplast

a. DNA b. Vacuole c. Cell wall d. Nucleus Answer DNA. 

The one which is present in all living things:

a. 	DNA b. 	Vacuole c. Cell wall d. Nucleus  Answer  DNA

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a. Myosin tail b. Enzyme c. Anti Rh antibodies d. Haemoglobine. 

Primary structure of protein is determined by

a. Myosin tail b. 	Enzyme  c. 	Anti Rh antibodies  d. 	Haemoglobine