Write any three problems with the measurement of quantities that the SI unit system has solved.​

Explanation:

1. they are convenient to use 2. it helps the international tade 3. it eases the exchange of material

her next move would be to use agarose gel electrophoresis to separate the dna molecules of varying length and create a dna fingerprint.

these muscles maintain the blood pressure in the vessels. the smooth muscles are innervated by nerves of the autonomic nervous system. when the muscles contract, they cause vasoconstriction of the vessels and increase blood pressure. when the muscles relax, they enable vasodilation of the   blood vessels hence reduce blood pressure.