Answer:
when the first homeosapien stood on two legs and walked the earth
Explanation:
history of evolution has always stated that the event was when "we" stood on the earth
Answer:
Hypothesis
Explanation:
An hypothesis is a proposed explanation for a set of observation.
Answer:
D. The genotype and the environment both affect phenotype.
Explanation:
Phenotype is the outward expression or make up of an organism. The phenotype is simple the physical outlook of an organism. It is as a result of the combination of two major factors which are the genetic make up(genotype) and the environment. When both combines, an organism's pheontype is built and produced.
If the environment is lacking, a gene might not successfully express itself in an organism. Also, an organism might have the right environment but the gene is lacking.
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:C
Explanation:
RNA consists a ribose sugar while DNA consists deoxyribose sugar. Cellulose and lactose are not the components of DNA of RNA. Uracil is a nitrogenous base that is present in the structure of RNA.
Other than sugar, these molecule consist of nitrogenous base and a phosphate group.
