The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms.

1 answer:

8 0

If this were to be a true and or false statement, then most bacteria found in soil may be harmful to us, yet to the plants and other organisms that rely on those plants, these bacteria are extremely helpful as they facilitate the recycling of essential nutrients and other ions that plants require such as nitrogen, which ultimately allows traces of nitrogen to be taken in by other consumers within a food chain, a crucial component for growth and development.

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Another one maybe? Please help! The function of messenger RNA (mRNA) is:

xz_007 [3.2K]

Answer:

Explanation:

6 0

3 years ago

Which of the following describes the correct stepwise assembly (in vitro) of the eukaryotic RNA polymerase II preinitiation comp

PilotLPTM [1.2K]

Answer: (TFIID) TBP-> TFIIB IIA--> TFIIF RNA POL II

Explanation:

Remember that in eukaryotic organisms, transcription and processing are coupled processes. There are 3 different types of Rna pol. In the case of RNA pol II transcribes genes that encode proteins (mRNA synthesis). Transcription factors are involved, for example: TFIID, TBPs, TAF (recognizes TATA promoter center, regulatory functions), TFIIA (stabilizes TBP union, antirepressant function), TFIIB (RNA Pol II starting point selection).

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3 years ago

Which of the following is not a piece of molecular evidence supporting the endosymbiotic theory?

Alchen [17]

A. the mitochondria and chloroplasts are much different in structure than bacteria

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3 years ago

DNA,RNA and protein synthesis

Brut [27]

Answer:

DNA = Genetic material of cell

RNA = Transcribed from DNA

Protein synthesis= mRNA is translated into functional protein to perform different functions

3 0

3 years ago

Albinism is inherited as autosomal recessive trait. The frequency of the disease in the population equals to 1:20 000. Calculate

prisoha [69]

Answer:

0.0139- frequency of heterozygotes in the population

Explanation:

Let q to the power of 2 represents the frequency of the homozygous recessive (aa) = 1/20000 = 0.00005

This, q = √q^2 = √0.00005 = 0.007

Since p + q = 1

p = 1 - 0.007 = 0.993

Using the formula: p^2 + 2pq + q^2

Where 2pq represents the frequency of the heterozygotes, thing we have

2 x 0.007 x 0.993

= 0.0139

8 0

3 years ago