There are three main regions of the kidney.
<span>1.Renal cortex - It is the outer region of the kidney which contains the renal corpuscles and the renal tubules (without the loop of Henle). It produces the erythropoietin.</span>
<span>2.Renal medulla - It is the innermost part of the kidney which contains the renal pyramids.</span>
<span>3.Renal pelvis - It is the region that collects urine from the nephrons, thus it contains the place where ureter leaves the kidney.</span>
<span>the leading strand is synthesized in the same direction as the movement of the replication fork, and the lagging strand is synthesized in the opposite direction. </span>
A) Crossing over is the mechanism of genetic variation that results from the exchange of gene segments between non-sister chomatids.
Stanley has entered a rehabilitation facility for treatment of his addiction to barbiturates. He is immediately prevented from using the drugs and experiences agitation, restlessness, increased respiration, and insomnia. This phase of treatment is called detoxification.
