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WINSTONCH [101]
2 years ago
14

Large blue whales that are up to 30 meters long live primarily on ________ that is/are only about 6 cm long.

Biology
1 answer:
zalisa [80]2 years ago
7 0

Large blue whales that are up to 30 meters long live primarily on krill that is/are only about 6 cm long.

Blue whales belong to the class of mammals. They are the largest animals on the Earth. They live in marine habitat. They can be more than 100 feet long. The weight of a single whale can be equal to 30 elephants. And they can live for as long as 80-90 years.

Krill are small animals belonging to the class of crustaceans. They are present in oceans. Krill are actually zooplanktons. They are majorly the food of whales. Krill are filter-feeders.

To know more about blue whales, here

brainly.com/question/14803609

#SPJ4

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Repressors are transcription factors that bind to _____________sequences in dna
Trava [24]

Answer:

The given blank can be filled with operator.

Explanation:

The proteins that assist in turning on or turning off the function of a specific gene by getting combined with certain sections of the DNA are known as transcription factors. The transcription factors that activate the transcription of a specific gene are known as activators, while that prevents transcription and is termed as repressors.  

A repressor can be an RNA or a DNA binding protein, which prevents the articulation of genes by getting combined with the operator. A repressor, which binds with DNA prevents RNA polymerase from getting combined with the promoter, which further inhibits the transcription of the genes into mRNA.  

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Answer:

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2 years ago
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Use this:

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