What happens during muscle contraction to the length of each myosin and action filament?

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It is possible to date the rocks by comparing the amount of specific radioactive isotopes they contain. Which of the statement is correct in this respect:

A. Older sediment layers have equal amount of these reaioactive isotopes as that of the young ones B. Older sediment layers have less amount of these reaioactive isotopes as that of the young ones. C. Older sediment layers have greater amount of these radioactive isotopes as that of the young ones. D. Older sediment layers … It is possible to date the rocks by comparing the amount of specific radioactive isotopes they contain. Which of the statement is correct in...

Ecosystem not found in Pakistan is_____________?

A. Tropical rain forest B. Temperate deciduous forest C. Grassland D. Tundra...

Purines and pyrimidines are in equal ration in DNA. It was indicated by_______________?

A. F.Miescher B. Chargaff C. Watson & Crick D. Harshay & Chase...

A substance which binds at the active site of the enzyme but does not result in the formation of the products is called________________?

A. Irreversible inhibitor B. Reversible inhibitor C. Competitive inhibitor D. Non-competitive inhibitor...

Which of the following carbohydrate can not be hydrolysed__________________?

A. Monosaccharide B. Oligosaccharide C. Polysaccharide D. None of these...