Within a neuron, information typically flows in which directional order? science forum

1 answer:

5 0

Neurons are cells of the nervous system that aid the flow of impulses or information to and from the CNS. The major neurons include the sensory neuron, motor neuron and the relay neurons. It comprises of various parts that aid its function of carrying information namely, axon, dendrites, cell body (soma), myelin sheath. Information is picked up from the dendrites and then transferred to the cell body through action potentials. Then from the cell body the information is taken to the axon which then goes to the pre-synaptic terminal that sends the information to the next neuron which will then repeat the same flow of information.

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The majority of bacteria have a cell envelope. which component of the cell envelope is found in only some bacterial cells?

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The majority of bacteria have a cell envelope component which serves as an outer compartment.

Explain the Plasma membrane components.

The membrane that divides the interior of the cell from the external environment is known as the plasma membrane, sometimes known as the cell membrane, and is present in all cells.

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Hence, the correct answer is the outer membrane.

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What are the differences between prokaryotic and eukaryotic cells? Focus on cells from microscopy lab?

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There are several key differences between prokaryotic and eukaryotic cells. Eukaryotic cells are found in multicellular plants and animals, whereas prokaryotic cells are found in bacteria and archaea which are ususlly unicellular. I have summarised the key differences below:

Prokayotic cells do not have membrane-bound organelles, such as the endoplasmic reticulum or mitochondria.

Prokaryotic cells do not have a nucleus, instead they have circular DNA that is free in the cytoplasm.

Prokaryotic cells have smaller ribosomes than eukaryotic cells.

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