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Ludmilka [50]
3 years ago
9

At what phase does crossover occur in

Biology
2 answers:
vesna_86 [32]3 years ago
8 0

Answer: crossing over happens in prophase 1.

Explanation: ( in Portuguese ) os cromossomas homólogos, na profase 1 da meiose, tocam-se, trocando informações sobre o ADN. A esse processo chama se crossing over.

Basile [38]3 years ago
3 0

Answer:

crossing over happens in prophase 1.

Explanation:

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morpeh [17]

Answer:

1.A

2.C

Explanation:

5 0
2 years ago
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What happen to the energy that was not passed on to the next tropic level?????<br> Please help AsAP
jekas [21]

Answer:

The energy that was not passed on the next tropic level is lost as heat

Explanation:

In an ecosystem flow of energy occur from one tropic level to the next one as the organism of one tropic level eats another organism belongs to the tropic level that is lower from that of previous one.

                    The 10% of total energy of one tropic level is passed to the next tropic level the rest of the energy is lost as heat in the environment.

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3 years ago
If instead of ACT, the first DNA triplet was ACG, which amino acid would be coded for?
BigorU [14]
<span>The answer is cysteine. This is a half essential proteinogenic amino acid with the formulation of HO₂CCHCH₂SH. It is prearranged by the codons UGU and UGC. The thiol side chain in cysteine frequently partakes in enzymatic responses, as a nucleophile.</span>
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3 years ago
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Use fertile in a sentence.
Alex17521 [72]

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there is an abundance of fertile soil

climate and fertile soil are crucial for plant growth

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3 years ago
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The impact of a sufficiently large asteroid or comet is one of the theories that have been put forward to explain why dinosaurs,
enyata [817]

Answer:

Because the biodiversity decreases.

Explanation:

An ecosystem is richer when it has a higher biodiversity, remember that each living thing has an specific role in the food web. When in an ecosystem this web is bigger, increases the probability of sustain a living thing. For example, in the sea, if there is a fish, this is going to be more probabilities of survive if this fish can eat different plants or other fish. But if in the ecosystem there are not a variety of them, it probability to survive is less if one of it food desapear.

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3 years ago
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