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notsponge [240]
3 years ago
5

What are the most common minerals in Earths crust? A. Evaporates, B. Organic Minerals, C. Metal Ores, D. Silicates . When you an

swer please provide why you chose that answer
Biology
1 answer:
Molodets [167]3 years ago
4 0
B would be the answer
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Complete hydrolysis of a nonapeptide gave 3 ala, 2 phe, 2 asp, gly, and ser. Reaction of the nonapeptide with Sanger's reagent (
Wewaii [24]

Answer:

Alanine is obtained as the first amino acid, taking into account that the reaction with the Sanger reagent hydrolyzes N- (2,4-dinitrophenyl) alanine. thus with the fragments of the partial hydrolysis they are organized to create a polypetidic chain

ala-asp-gly-ala

gly-ala-phe

phe-be-wing

be-wing-phe-asp

We obtain that the correct sequence of the peptide is "ala-asp-gly-ala-phe-ser-ala-phe-asp"

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3 years ago
A cell is classified as eukaryotic if the cell
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A eukaryotic cell is classified this way if it B. contains a nucleus. In biology the definition of eukaryotic is "having a true nucleus" which is how to depict a prokaryotic cell from a eukaryotic cell.

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3 years ago
Which two neurotransmitters have roles in appetite suppression?
LenKa [72]
Serotonin and n<span>orepinephrine.

Serotonin decreases appetite by activating </span>5-HT2C receptors<span> on dopamine-producing cells which will cause dopamine release to stop. Dopamine is responsible for the increase of appetite, therefore, serotonin decreases appetite.
Norepinephrine by increasing the production of glucose it also causes the body to feel satiety and, therefore, decreases the appetite.</span>
8 0
3 years ago
How do protons contribute towards making ATP?...
ivanzaharov [21]

Answer: Protons contribute towards making ATP by producing proton-motive force that provides energy for ATP synthesis.

Explanation: In the respiratory chain, the transfer of electrons from one complex to another is accompanied by pumping of protons out of the matrix. This creates a difference in proton concentration and separation of charge across the mitochondrial inner membrane. The electrochemical energy inherent in this difference in proton concentration called proton-motive force is used to drive ATP synthesis as protons flow back passively into the matrix through a proton pore.

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Mercury has the largest eccentricity of any of the eight planets. What is Mercury’s orbital eccentricity?
vladimir1956 [14]

Answer: 0.206

Explanation:

pretty much near 0.2056 if you round the 5 to the 6

7 0
3 years ago
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