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poizon [28]
3 years ago
11

Which step in transcription occurs first? mRNA moves the code from the nucleus to the ribosome for protein production. A gene is

expressed through protein production. RNA polymerase attaches to the promoter. A repressor protein must attach to the operator.
Biology
1 answer:
Veseljchak [2.6K]3 years ago
5 0

Answer: RNA polymerase attaches to the promoter

Explanation:Took the test

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Why do cells need to replicate their DNA?
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Answer:

Replication is an essential process because, whenever a cell divides, the two new daughter cells must contain the same genetic information, or DNA, as the parent cell. ... Once the DNA in a cell is replicated, the cell can divide into two cells, each of which has an identical copy of the original DNA.

Explanation:

Cells must replicate their DNA before they can divide. This ensures that each daughter cell gets a copy of the genome, and therefore, successful inheritance of genetic traits. DNA replication is an essential process and the basic mechanism is conserved in all organisms.

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Plant leaves are organs that are composed of multiple cell types, including palisade cells and guard cells. Palisade cells conta
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Answer:

A

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7 0
2 years ago
What term refers to the location where the chromosomes line up in the middle of the cell?
Vlad [161]

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❖ The term that matches this statement is Metaphase. Metaphase occurs in Mitosis and Meiosis. The homologous chromosomes line up in single file.

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4 0
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Every cell contains certain structures that perform specialized functions for the cell. What are these structures called?
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<span>Every cell contains certain structures that perform specialized functions for the cell. What are these structures called?

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Which event signals the birth of a star?
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