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german
3 years ago
8

Nerve cells in the brain receive life-supporting nutrients and insulating myelin from

Biology
1 answer:
padilas [110]3 years ago
3 0
Glial cells. More specifically, it could be oligondenrocytes, astrocytes, ependymal cells, schwann cells, microglia, or satellite cells, because they are all types of Glial cells. 
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Neurons conduct and receive information from other neurons in the form of electrical currents. the receiving end of the neuron i
777dan777 [17]
Dendrite; axon; synapse

These are parts of the neuron which is considered as the basic unit of nervous system. The cell responsible for receiving sensory input from the external environment. The stimulus will be transported in an electrical signal via neuronal parts. Axon transmit signal to the other neuron. Dendrites are the receiving part of the neuron. Synapse is the space between each neuron where elctrical impulse is converted into a chemical signal via neurotransmitters.

8 0
3 years ago
Choose the statement that describes processes of receptor-mediated endocytosis, exocytosis, and the changes in the membrane orga
Elis [28]

Answer:

a. Endocytosis involves the opsonization of a receptor and its ligand in clathrin-coated vesicles, along with the inward budding of the plasma membrane. In exocytosis, waste material is enveloped in a membrane that fuses with the interior of the plasma membrane via attachment proteins.

Explanation:

Endocytosis: entails the external binding of a ligand to its receptor which is located on the external side of the plasma membrane. The membrane buds inwardly for internalization to occur.

Exocytosis: material that has been processed inside the cell is transported by vesicles which fuse to the internal side of the plasma membrane and ultimately transported to the outside of the cell.

4 0
3 years ago
What is a distinction that can be drawn between macroevolution and microevolution?
nikitadnepr [17]
<span>Microevolution refers to changes in the genetic pool of a species population. The changes in the genes (probably gene and allele frequencies) are observed over short time periods hence are small changes. This is in comparison to macroevolution that observes huge changes over longer time periods  in the population that warrant that the new populations is considered to be a new species</span>
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Which of the following does not happen in Interphase?
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Answer:

thye chromosomes are not visible

Explanation:

5 0
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What is the process of maintaining a constant internal environment called
Jobisdone [24]
It is called the homeostasis.

Homeostasis is the living organism's mechanism to maintain and sustain its internal environment at the level where it will suffice for them to survive. This process involves the pulling and pushing of delinquencies and extremities with an organism. 
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