<span>When traveling in a vacuum, electronic waves from the electromagnetic spectrum all travel at the same speed. Velocity is speed with direction, so they would all travel at the same velocity, realtively speaking. But frequency and wavelength are quite different</span>
Answer:
DNA is made up of sugar-phosphate backbone and the phosphate in the DNA contains the negative charge, therefore, DNA is a negatively charged molecule present in the nucleus.
This negative charge is very important in separating the DNA according to their charge and size during gel electrophoresis. During gel electrophoresis DNA of different size is run on an agarose gel in the presence of current and DNA fragments move toward positive charge due to negative in nature.
Small size DNA moves fast through the gel large size DNA moves slow towards negative pole, therefore, separating the DNA according to their size. In gel electrophoresis, red pole is positive pole and the black pole is negative so runs to the red phrase is signifying that the DNA is always run towards the red pole.
Solution:
Neurotransmitters are chemicals messengers that transmit signals across a synapse from one neuron’s axon to another neuron’s dendrite. Neurotransmitters are released from the presynaptic neuron in vesicles that travel across the synaptic cleft where they are received by receptors on the postsynaptic neuron. Neurotransmitters can have either excitatory or inhibitory effects on the postsynaptic neuron by increasing or decreasing the probability that the postsynaptic neuron will create an action potential. Neurotransmitters are removed from the synaptic cleft by diffusion out of the cleft, removal by an enzyme, or via re-uptake pumps that actively pump the neurotransmitter back into the presynaptic axon.
A researcher is interested in mechanisms of neurotransmitter removal from the synaptic cleft following release from the axon terminal. He designs a series of experiments in mice to increase the rate of release of neurotransmitter to test effects on compensatory changes to removal processes. He also cultures neurons from the mice to test aspects of neurotransmitter release and removal in vitro.
Thus this is the required answer.
