MRNA is needed in the cells because it directs the synthesis of proteins which is found in the cytoplasm. It is a molecule that carries the message contained within DNA to the ribosome. The Proteins are assembled on the ribosomes using the mRNA nucleotide sequence as a guide.
Molecular clocks B. TAKE ADVANTAGE OF THE FACT THAT ALL MUTATIONS HAPPEN AT A STEADY RATE.
The molecular clock is a technique used involving the mutation rate of biomolecules to deduce when in prehistoric times have two or more lifeforms diverged.
Answer: Embryos and the development of embryos of various species within a class are similar even if their adult forms look nothing alike.
Explanation:
Endarterectomy for asymptomatic carotid artery stenosis. Executive Committee for the Asymptomatic Carotid Atherosclerosis Study. To determine whether the addition of carotid endarterectomy to aggressive medical management can reduce the incidence of cerebral infarction in patients with asymptomatic carotid artery stenosis.
<h3>What is
Endarterectomy?</h3>
An endarterectomy is a surgical treatment used to clear an artery's lining of an atheromatous plaque obstruction caused by an accumulation of deposits. The procedure involves removing the plaque from the artery wall.
A Portuguese surgeon named Joo Cid dos Santos initially conducted it on a subsartorial artery in 1946 at the University of Lisbon. American E. J. Wylie carried it out on the abdominal aorta in 1951. Later that year, in Argentina, Carrea, Molins, and Murphy completed the first successful repair of the carotid artery.
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Answer:for your journey through the urinary system you must be made small enough to be filtered through the filtration
membrane from the bloodstream Into the renal You will be injected into the subclavian vein and must
pass through the heart before entering the arterial circulation. As you travel through the systemic circulation you have
Explanation:
