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salantis [7]
3 years ago
7

Задание 1: a) по рисунку определите особенности формирования мужских и женских гамет у животных и растений в фазах митоза I и II

порядка.​
Biology
1 answer:
rusak2 [61]3 years ago
8 0

Answer:

Диплоид (2n), Клетка, содержащая два набора гомологичных хромосом ... Зиготическая стадия: Зигота формируется, когда мужская гамета (сперма) и женская ... Фетальная стадия: После того, как сформированные черты эмбриона начинают расти и. .. Если сперматозоид может срастаться с яйцеклеткой, происходит оплодотворение. Развитие в некотором роде предопределено.

Explanation:

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Arlecino [84]

Answer:

Due suitable environment and high productivity.

Explanation:

More fish are supplied by fish farming rather than from traditional because farms are build in order to harvest more fish by providing suitable environment to the fish. In transitional ways, fish are caught in nets from the rivers by local people for theirselves and the extra will sold in the market. In rivers there are less number of fish which does not meet the requirements of people so that's why commercial farming of fish can be done.

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3 years ago
Name three arthropod head appendages and their functions
denis-greek [22]
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In prokaryotes, which component must disassociate to allow for elongation of the transcriptional complex? In prokaryotes, which
qaws [65]

Answer:

sigma subunit

Explanation:

Sigma subunit of RNA polymerase holoenzyme directs the enzyme towards the consensus sequences present upstream of the transcription start site. Completion of the initiation phase of transcription is followed by dissociation of sigma subunit from the transcription complex.

The protein NusA replaces the sigma subunit. The RNA polymerase leaves the promoter and starts the elongation

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Bio hazard since it's used as a pesticide
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Read 2 more answers
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