Define cloning vectors
What do you mean by the term cloning vectors? Briefly describe it.
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Vectors DNA are such DNA which can carry a foreign DNA fragment.
The vectors usually utilized are the bacterial plasmids and bacteriophages.
Define polyembryony in short?
State some factors through which the organism can understand that the process of clotting should begin?
Why vaccines are used within the prevention but not in the treatment of infections? And why can antivenom serums are utilized in treatment and prevention?
Why the pteridophytes are better adapted to the dry land as compared to the bryophytes? Were pteridophytes always less abundant rather than the phanerogamic plants?
How are the antivenoms produced? Why are antivenoms an example of the passive immunization?
How do antagonistic methods administer homeostatic regulation?
What is the basic difference between cellular respiration and respiration meaning gas exchange?
Write down the functions of pantothenic and biotin acid for the body? How are these vitamins acquired?
When an insect larva is inside the cocoon, is really a stage of the total biological inactivity?
Explain the term clitellum of earthworms and where it is situated?
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