Our nervous system runs on chemical synapses ! that means we need chemical to transfer information from one neuron to another !
so when the signal reaches the synaptic knob of one neuron , it stimulates the neurotransmitters containing vacuoles to release the neurotransmitters !
the neurotransmitters may be dopamine, acetylcholine etc and after reaching the dendrites of other neuron, it stimulates signal in the other neuron and thus a signal travel from one part of body to other !
The greater the amount of active transport carried out by a cell, the greater the amount of mitochondria would be found in the cell.
Active transport uses energy. Mitochondria undergoes aerobic respiration to release large amounts of energy. If the cell is found to be lacking in energy needed for active transport, the cell would adapt by synthesizing more mitochondrion to ensure that it's demand of energy is met.
During a controlled experiment, a scientist will isolate and test (D) a single variable. A conclusion, nor a mass of information can be isolated or tested. A control group is the group that would receive a placebo, so testing that would be futile.
In the context of scientific approach, the role of data is central as well as fundamental when scientists search for observations which would either verify or reject their ideas regarding the world.
The scientific approach follows a systematic order in which theories or hypotheses are tested through experiments and observations are recorded. These observations are in the form of raw data which are then analyzed by scientists.
Analysis of the data leads to the generation of information which can be utilized suitably to develop an insight about the subject of interest. This information is helpful in determining whether an idea or theory is substantial or not.
To learn more about data here
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