Sweat, mucus, tears, and saliva all contain enzymes that kill pathogens.
Answer:
The answer is not in any of the options and is the following:
to eliminate any remaining Hfr cells.
Explanation:
In a medium that has a streptomycin antibiotic it is used to kill Hfr donor cells after the conjugation is interrupted. This is entirely due to the streptomycin sensitivity allele (str-s) which are found in Hfr strains. The presence of the streptomycin resistance allele, located in the receptor, is used for the specific destruction of Hfr donor cells after conjugation occurs.
Answer:
a) Artery
Explanation:
Arteries, beginning with the aorta extending to smaller branches, carry oxygenated blood away from the heart to tissues supplying them with oxygen.
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