There are a plethora of these minerals in the Oceanic and Continental crust of the Earth: pyroxene, plagioclase feldspar, and olivine.
Answer:
1. true
2. human immunodeficiency virus) is a virus that attacks the immune ... HIV is often spread by people who don't know they have it.
According to the research, serotonin is an inhibitory type neurotransmitter that acts in the brain regulating mood, sleep.
<h3>What is serotonin?</h3>
It is a neurotransmitter that is produced in the intestines, brain and blood platelets from the synthesis of tryptophan.
This neurotransmitter plays a relevant role in the inhibition and regulation of sleep, appetite, body temperature and anger, for example.
Therefore, we can conclude that according to the research, serotonin is an inhibitory type neurotransmitter that acts in the brain regulating mood, sleep.
Learn more about serotonin here: brainly.com/question/14482824
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Answer:
Option-C
Explanation:
The phospholipids are the major constituents of the cell membrane of a cell. The phospholipids contains the glycerol attached to the phosphate group and forms the hydrophilic heads whereas the fatty acid tails from the hydrophobic portion of the membrane.
The hydrophobic head face outwards whereas the tails face inwards. The structure of the membrane as arranged in bi lipid layer form and in such a way that the membrane molecules can move. The other molecules present in the membrane like the proteins can drift in the membrane.
Thus, Option-C is correct.
⭐️The answer is⭐️
Three of the four nitrogenous bases that make up RNA — adenine (A), cytosine (C), and guanine (G) — are also found in DNA. In RNA, however, a base called uracil (U) replaces thymine (T) as the complementary nucleotide to adenine (Figure 3).