C. birds and reptiles share a number of inherited characteristics
The iris is composed of muscle layers - an outer layer of longitudinal smooth muscle and an inner layer of circular smooth muscle. The inner circular layer is innervated by the parasympathetic nerves. When these muscles contract, they that cause the pupil to constrict in bright light. the The outer layer of longitudinal smooth muscle is innervated by the sympathetic nerves. When these muscles contract, they that cause the pupil to dilate in dim light.
The direction will be toward the positive charge on the other end. If there are bubbles it means the current is running. DNA are molecules which stores genetic material. DNA is negatively charged because of the phosphate backbone since they are negatively charged also. To separate DNA using agarose gel electrophoresis, the DNA is loaded into precast wells in the gel and a current applied. Since the phosphate backbone of the DNA molecule is negatively charged, the fragments of DNA will migrate to the positively charged anode.
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"Cyclical Disturbance" is a disturbance that repeats over and over again.
The cell wall is on the inside of the cell and serves to contain the contents of the cell.
