In an annelids, the contraction of circular muscle results in___________?

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Oxygen accounts for ____ % of totals human body mass?

A. 65% B. 18% C. 10% D. 3%...

Which treatment is instituted in a cancerous patient?

A. Antibiotic therapy B. Radiotherapy C. Gene therapy D. None of these...

Control of organisms by using living organisms is called_______?

A. Bioremediation B. Integrated disease management C. Antisepsis D. Biological control...

Percentage of proteins in cell membrane is____________?

A. 20-40% B. 40-50% C. 60-80% D. 80-100%...

Which one forms the raw material for coenzymes_______________________?

A. Vitamins B. Carbohydrates C. Proteins D. Metals...