Answer:
Study and believe in yourself,don't give up!
Bending of light when it is passed from a slit or when pass through edges is known as diffraction !
so the answer is diffract !!
Answer:
b. Increased likelihood of action potentials in basal ganglia neurons, which are associated with initiating movements
Explanation:
The substantia nigra is the principal site involved in the physiopathology of Parkinson´s disease.
Cells from this area degenerate and die progressively causing important degeneration in the central nervous system. The cells that die -with no known reason- are those that produce dopamine and proportionate dopaminergic innervation to the encephalon. In fact, almost all the symptoms exhibited by patients with the disease can be explained by the lack of dopamine in the substantia nigra.
This neurotransmitter is used in the area to communicate neurons from the base ganglia. Ganglia are responsible for modulating and modifying movements.
The nigrostriatal system participates in the planning and automatic execution of learned movements. When the ganglia activity decreases, so it does the amount and velocity of movements, something typical of the disease.
If the drug increases the amplitude of EPSPs at neurons in the basal ganglia, the action potentials in basal ganglia neurons would be expected to increase.
Answer:
G-banding or Giemsa banding is a technique used to study the chromosomes by staining then at condensed stage. The visible karyotype can be used by this technique. The genetic diseases can be easily identified by this G banding technique.
The base composition of the genes (nucleotide) are stained by the dye known as Giemsa stain. The nitrogenous base adenine and thymine of the heterochromatic region of chromosome stained darkly in this technique. The darkly stained area is generally gene poor area.