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Arte-miy333 [17]
2 years ago
15

Which of the following provides the best evidence for the interaction of

Biology
1 answer:
Ganezh [65]2 years ago
7 0

Answer:

C

Explanation:

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What happened???/

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The nurse is caring for a client who has an infection spread by respiratory droplets and is in droplet precautions. the client a
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"Yes, as long as your spouse wears a mask and stays at least 3 feet away from you."
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3 years ago
How much energy would be available to the next levels of the food chain?
KengaRu [80]

Answer:

since only 10% is passed you multiple the number given by .10

Explanation:

so 35,000*.10=3500 which is the first blank and you multiply that by .10 to get 350 and thats the second blank, then do that again to get 35 and then again and you get 3.5

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Which term is NOT spelled correctly?
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2 years ago
The difference between prokaryotic and eukaryotic gene regulation
sleet_krkn [62]

Answer:

READ THIS

Explanation:

To understand how gene expression is regulated, we must first understand how a gene codes for a functional protein in a cell. The process occurs in both prokaryotic and eukaryotic cells, just in slightly different manners.

Prokaryotic organisms are single-celled organisms that lack a cell nucleus, and their DNA therefore floats freely in the cell cytoplasm. To synthesize a protein, the processes of transcription and translation occur almost simultaneously. When the resulting protein is no longer needed, transcription stops. As a result, the primary method to control what type of protein and how much of each protein is expressed in a prokaryotic cell is the regulation of DNA transcription. All of the subsequent steps occur automatically. When more protein is required, more transcription occurs. Therefore, in prokaryotic cells, the control of gene expression is mostly at the transcriptional level.

Eukaryotic cells, in contrast, have intracellular organelles that add to their complexity. In eukaryotic cells, the DNA is contained inside the cell’s nucleus and there it is transcribed into RNA. The newly synthesized RNA is then transported out of the nucleus into the cytoplasm, where ribosomes translate the RNA into protein. The processes of transcription and translation are physically separated by the nuclear membrane; transcription occurs only within the nucleus, and translation occurs only outside the nucleus in the cytoplasm. The regulation of gene expression can occur at all stages of the process (Figure 1). Regulation may occur when the DNA is uncoiled and loosened from nucleosomes to bind transcription factors (epigenetic level), when the RNA is transcribed (transcriptional level), when the RNA is processed and exported to the cytoplasm after it is transcribed (post-transcriptional level), when the RNA is translated into protein (translational level), or after the protein has been made (post-translational level).

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3 years ago
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