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IceJOKER [234]
3 years ago
12

Recent research on biological factors in suicide has linked it to low levels of the neurotransmitter _______ in the brain.

Biology
1 answer:
MAXImum [283]3 years ago
8 0
The answer you are looking for is called Serotonin. Please put this as the brainiest answer thank you and hope this helped.
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The fuzzy coat made of glycoproteins and glycolipids found on the external surface of the plasma membrane is called the ________
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Answer:

Glycocalyx

Explanation:

Glycocalyx is carbohydrate rich (glycoprotein + glycolipid) coating that is found in outer surface of cell membrane of many prokaryotic and eukaryotic cells specially bacteria.

Glycoprotein=Carbohydrate + Protein

Glycolipids=  Carbohydrate + Lipids

Glycocalyx provied a barrier between cell and its surrounding, adhesion and provide protection in bacteria. In eukaryotes it can be used to identify cells.

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3 years ago
How does the polymerase chain reaction make DNA fingerprinting more reliable?
Triss [41]
The polymerase chain reaction makes DNA fingerprinting more reliable because it allows scientists to quickly make many copies of DNA the answer is C
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3 years ago
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In the diagram, how many angles are alternate exterior angles with angle 5?
strojnjashka [21]

Answer:

One.

Explanation:

The attached figure shows the diagram of the given question.

We need to find how many angles are alternate exterior angles with angle 5?

Exterior angle = Angle that is made outside of the shape

Alternate angle = an angle opposite of a transversal line of another angle.

From the figure, 8, 7, 9, 10, 12, and 11 are the angles that are on the same transversal. 8, 7, 9, 10, and 12 are just exterior. It means that 11 is the alternate exterior of angle 5. So, only one angle is alternate exterior angles with angle 5.

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3 years ago
Why do humans<br> show variation?
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Answer:

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Explanation:

Causes of Variation:

Causes of differences between individuals include independent assortment, the exchange of genes (crossing over and recombination) during reproduction (through meiosis) and various mutational events. There are at least three reasons why genetic variation exists between populations.

<em>PLEASE</em><em> </em><em>THANK</em><em>,</em><em> </em><em>RATE</em><em> </em><em>AND</em><em> </em><em>FOLLOW</em><em> </em><em>ME</em><em>,</em>

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8 0
2 years ago
What are the sugars the algae produce primarily used for?
Sever21 [200]

Answer: Algae use photosynthesis to convert CO2 and sunlight into sugars and then convert some of the sugars into oil, which can be harvested and converted to biodiesel. 4) 30x more oil per hectare than other plants used for biodiesel such as soybean, oil palms, and rapeseed.

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