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Flura [38]
3 years ago
9

Cell boundary that controls what enters and leaves the cell

Biology
1 answer:
vlada-n [284]3 years ago
4 0
Is called the cell membrane
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Certain mental problems are thought to be caused by not having enough neutrotransmitters why would a lack of neurotransmitters c
vekshin1

Because neurones will not function properly neither will neuroreceptors if a person lacks neurotransmitters, these two parts (transmiters and receptors) all work together and depend on eachother.

Neurones are resposible for transmitting informations trought the body, and if neurotransmitters are no-existent, information may not be able to get to some body parts since neurotransmitters transmit the information.

Hope it helped,

Happy homework/ study/ exam!

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What were j.p morgans major areas of buisness
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John Pierpont Morgan<span> Sr. (April 17, 1837 – March 31, 1913) was an American financier and banker who dominated corporate finance and industrial consolidation in late 19th and early 20th Century United States.</span>
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Cell division and differentiation first begins during the ________ stage of prenatal development. psych
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Cell division and differentiation first begins during the germinal stage of prenatal development.

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The development of the zygote into a full developed fetus occurs in three most prominent stages they are the germinal stage that occurs from the conception to the second week.

The embryonic stage that is from second week to the eighth week and the fetal stage that is from the eighth week till the birth of the baby. Each stage has its characteristic development that has to be completed.

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Earthquakes are relatively common throughout the west coast, especially in California. The map of California seen here gives you
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Alternation of generation
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Answer:

The answer to this question is given below in this explanation section.

Explanation:

                    "Alternation of generation"

Alternation of generations is the type of life cycle that occurs in those plant  and algae in the archaeologist and the heterokontophyta that have distinct haploid sexual and diploid asexual stages.In these groups a multicellular haploid gametophyte with n chromosomes alternates with a multicellular diploid sporophyte with 2n chromosomes made up of n pairs.A mature sporophyte produces haploid spores by meiosis a process which reduces the number of chromosomes to half from 2n to n.

Two haploid spores germinate and grow into a haploid gametophyte.At maturity ,the gametophyte produces gametes by mitosis which does not alter the number of chromosomes.Two gametes from different organism of the same species fuse to diploid zygote,which develop into a diploid sporophyte . This cycle from gametophyte to sporophyte in the way in which all land plant and many algae undergo sexual reproduction.

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3 years ago
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