1. [B] Lungs → Pulmonary vein → Left atrium → Left ventricle -→ Aorta → Body organs → Vena cava Right atrium → Right ventricle → Pulmonary artery → Lungs.

    [B] Lungs → Pulmonary vein → Left atrium → Left ventricle -→ Aorta → Body organs → Vena cava Right atrium → Right ventricle → Pulmonary artery → Lungs.

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    • 1
  2. High-copy number, because higher the copy number of vector plasmid, higher the copy number of gene and consequently, protein coded by the gene is produced in high amount.

    High-copy number, because higher the copy number of vector plasmid, higher the copy number of gene and consequently, protein coded by the gene is produced in high amount.

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    • 8