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zzz [600]
3 years ago
12

Describe the chemical regulation system that governs the cell cycle both in terms of internal and external signals and the conse

quences of failure of this control system.Compare M phase activities if the cell were undergoing mitosis compared with meiosis.
Biology
1 answer:
Ad libitum [116K]3 years ago
5 0

Answer:

External factors include physical and chemical signals. Growth factors are proteins that stimulate cell division. – Most mammal cells form a single layer in a culture dish and stop dividing once they touch other cells. Two of the most important internal factors are kinases and cyclins.

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WITCHER [35]

Answer:

I think the question is "How might an RNA-based genome results display an increased in infection rate?" because current statement doesn't convey a message clearly.

Explanation:

To answer this question, we need to understand first that what is gene expression. Gene expression is a process in which genetic information is transcribed first to RNA and then into proteins. During transcription stage, only active genes would be transcribed to RNA and all other DNA material don't transcribe at all. Now, if there is an infection, host cell would express only those genes which would actively take part in the defense mechanism, e.g. R-genes, genes involved in production of reactive oxygen species, etc. Hence, to monitor the infection rate, we will look at the RNA-based genome. To do this, we will extract the total RNA and then would sequence it. Then we will annotate the genes and check the relative abundance (differential expression). Finally, we would have a clear that these genes were active against the infection. By doing temporal sampling and sequencing, we would be able to measure the rate as well.

For the second part, potential complications that could arise in doing analysis is the lower amount of RNA, or rapid degradation of RNA in case of presence of RNAses. RNA can be degraded easily at room temperature.

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Answer:

<u>Explore It #1</u>

1) There are <u>12 consumers</u> in this food web.

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<u>Explore It #2</u>

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<u>Explore It #3</u>

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<u>Give Brainliest if you please</u>

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3 years ago
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What policy must the United States support
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 it must be the policy of the United States to support free people who are resisting attempted subjugation by armed minorities or by outside pressures.

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