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horrorfan [7]
3 years ago
12

CAN SOMEONE PLZ ANSWER THIS

Biology
1 answer:
Eva8 [605]3 years ago
5 0

Answer:

b

Explanation:

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the cell membrane makes the cell a compartment separate from the extracellular environment. What is the other main function of t
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<h2>ggnxvsjcfhd</h2>

Explanation:

<h2>vjghjfgfvsiehcbdndk</h2>

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Assuming the population is in hardy-weinberg equilibrium, calculate the frequency of the wild-type (nonmutant) allele for the en
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34

Explanation:

the wild type of the nonmutant to get it done before the end of the day

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2 years ago
In 1953, stanley miller
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Answer:

In 1953, scientist Stanley Miller performed an experiment that may explain what occurred on primitive Earth billions of years ago. He sent an electrical charge through a flask of a chemical solution of methane, ammonia, hydrogen and water. This created organic compounds including amino acids.

Making amino acids is tricky, even in the laboratory. We know amino acids exist in some kinds of meteorites and interplanetary dust particles. When they rain down on a planet's surface, they import the possible building blocks of life, not necessarily life itself. Scientists think that along the way, there must have been a crucial step that turned atoms into organisms, but they still don't know what it is.

4 0
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
SCORPION-xisa [38]

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
A pea plant that has round seeds has the genotype Rr. It is crossed with a pea plant that has wrinkled seeds and the genotype rr
vladimir2022 [97]
Its a 50% chance that the seed will be wrinkled.
3 0
3 years ago
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