What u think it is? what answer?
Answer:
i dont understand what you are asking
Explanation:
Answer:
Where do they occur: infected blood, semen or vaginal secretions in your body
How do they start: mainly by having s3x
How do they spread: either by s3x or injection drug use
How deadly are they: takes about 10 years for an injection to develop aids so idk a long time I guess? Just say very deadly
Is there a vaccine: not yet but people are working on some
Explanation:
Answer:
e) An agent, such as a plasmid, used to transfer DNA from an in vitro solution into a living cell.
Explanation:
A cloning vector is a naked DNA that can be maintained and into which a foreign DNA can be inserted. A vector needs to be small in size, have restriction sites for endonuclease enzymes and the ability to multiply and express itself at a high rate, without disrupting the host cells machinery. Perfect cloning vectors are DNA molecules from viruses, plasmids and bacterial species such as E.Coli.
