Which of the Following Best Describes a Synapse

The correct answers are the first third fourth and the fifth statement. Summation of input from synapses A B and C exceeded the threshold potential at point 4 Synapse C is an inhibitory synapse lowering the internal charge at point 4.

Solved Which Of The Following Best Describes What Happens At Chegg Com

Between the two cells there is a large number of molecules that bind the two membranes and carry out.

. Neuroscientists now understand that the synapse plays a critical role in a variety of cognitive processesespecially those involved with. In most instances axons use only one guidance cue to successfully find their targets. It only occurs with neurons are used infrequently It results in the creation of implicit long-term memories but not explicit It occurs in all areas of the brain except the hippocampus.

Neurotransmitters flow across the synapse and attach to receptor sites. Which statement best describes the synapse. Potassium channels open and close.

The spaces between the neurons are filled with a chemical substance that facilitates exchange of signal. Student name_____ 1 Which of the following best describes a hormone. They contain multiple chromosomes floating in the cytoplasm.

They have a single DNA strand within a. Sodium channels open and close. Ions flow directly from one neuron to the next Which of the following best describes a rapidly firing presynaptic neuron that causes EPSPs that are close in time.

Which of the following best describes memory recall. In a chemical synapse which of the following best describes the role of calcium ions. If a threshold stimulus value is reached at the axon hillock depolarization passes down the axon to the.

Chemical messengers that travel across a synapse to stimulate another cell. The synapse is the means by which neurons send signals to cells. They reproduce ase xually through a form of cell division called binary fission.

Multiple Choice Chemical messengers that diffuse from their point of origin locally to affect other cells physiology. The administration of L-Dopa which is a precursor of the neurotransmitter dopamine B. C Chemical messengers that travel across a synapse to.

Which describes the chemical synapse between two neurons. Which of the following events is not involved in the transfer of information across a chemical synapse. A dendrite transmits information to an axon.

Which of the following best describes the function of a nerve synapse. All cells that an axon encounters en route to its target must express the same proteins at the same levels of expression. Which of the following best describes a hormone.

CHAPTER 39 PRACTICE PROBLEMS 1. They do so through a process called neurotransmission. Calcium ions trigger exocytosis of neurotransmitter.

Answered Apr 11 2017 by casesanda. An electrical signal is converted to a chemical signal. Which one of the following is the correct sequence of events that occur when an action potential reaches an axon terminal.

C More questions like this. It results in more AMPA receptors in the synapse creating stronger signaling between neurons. B Chemical messengers that diffuse from their point of origin locally to affect other cells physiology.

Which of the following best describes the means by which neurons communicate with each other. Which of the following best describes long-term potentiation. Synapse A is an excitatory synapse while synapse B is an inhibitory synapse.

Which of the following best describes what happens at the synapse. Arrange the parts in order from left to right of a successful direct depolarization path within one neuron. 42 Which of the following statements best describes the process of axon pathfinding during development.

Synapse refers to the gap between the neurons it conducts information via chemical or electrical impulses towards the cell body. Junctions between cells interconnecting their cytoplasm. A chemical messenger transported by the bloodstream.

Which of the following actions is controlled by voluntary nerve signals. Incoming messages to the dendrites or cell body pass through neuroplasm to the axon hillock. Which of the following best describes a rapidly firing presynaptic neuron that causes EPSPs that are close in time.

Which of the following statements about prokaryotic cells is correct. It carries a nerve impulse away from the nerve body. Electrical charges cross the synapse.

Simply stated neurotransmission is the way that brain cells communicate. Action potential sweeps down presynaptic axon calcium channels open in axon terminal synaptic vesicles fuse and exoctytize neurotransmitter diffusion of neurotransmitter into extracellular fluid separating two neurons membranes. The ability to identify information that was previously learned The ability to retrieve and reproduce information exactly as it was learned The ability to relearn information that was previously learned 2 Which of the following nervous systems is associated with the fight or flight response.

A A chemical messenger transported by the bloodstream that stimulates target cells in another organ often a good distance away. Synapse A caused a failed initiation resulting in no action potential. Question 1 1 Which of the following statements describes the administration of a drug that would have an overall antagonistic effect at the level of the synapse.

It is responsible for involuntary muscle movements. And the bulk of those communications occur at a site called the synapse. The neuron that emits the signal presynaptic neuron has a plasma membrane which enters into close apposition with the cell membrane that receives the message postsynaptic.

Movement of ATP between neurons is the most immediate source of.

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