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Step2247 [10]
4 years ago
15

Which of the following rocks would most likely be found near a volcano?

Biology
2 answers:
aleksklad [387]4 years ago
7 0
The answer would be sandstone

tino4ka555 [31]4 years ago
4 0

Answer:

basalt.

Explanation:

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The physiology instructor is discussing negative feedback systems in endocrine activity. What would be the instructor’s best exp
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Most hormone feed back is a negative feed back mechansm, A feed back mechanism is a form of a signal mechanism loop where product feed back to control its own production.

Explanation:

For example pancreas is an important gland in an endocrine system which relies on negative feed back to regulate blood glucose level in the body to keep it within the required healthy range.

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3 years ago
Draw one of the positively charged amino acids. Indicate whether you would expect to find it on the surface of or buried in a gl
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Answer:

               COO-

                  |

H3N+ ------C -------H

                  |

                 CH2

                  |

                 CH2

                  |

                 CH2

                  |

                 CH2

                  |

                +NH3

                Lysine (positively charged amino acid)

<u>It is present on the outside of a globular protien.</u>

Explanation:

<u>Formula of lysine:</u>

C6H14N2O2

Globular proteins are folded such that their tertiary structure consists of the polar, or hydrophilic, amino acids arranged on the outside and the nonpolar, or hydrophobic, amino acids on the inside of the three-dimensional shape. This arrangement is responsible for the solubility of globular proteins in water.

<u>As lysine is a positively charged polar / hydrophilic amino acid , it is arranged on the outside of the globular protien.</u>

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3 years ago
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