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zlopas [31]
3 years ago
9

Proteins that eukaryotes use to turn genes on and off by allowing transcription to occur or blocking it are called _____________

____.
A. Repressor
B. Introns
C. Transcription factor
I think its Transcription factor. But, I want to make sure! Please help!
Biology
1 answer:
geniusboy [140]3 years ago
6 0
C Transcription factor because

Transcription factors are proteins that control which genes are turned on or off in the genome. They do so by binding to DNA and other proteins.

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is B

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<u>Passive chloride</u> and <u>GABA</u> are the channels through which chloride ions could pass into the cell.

<h3>What are chloride channels?</h3>

Ion channels are used by cells to regulate many cellular functions, from action potential conduction to water balance, which is sometimes achieved by using a single ion in the setting of different channels types.

Although ion channels are described as transmembrane proteins that have a “pore” which allows for the diffusion of specific ions across a concentration gradient, other channels involved in ion transport include antiporters (exchange), symporters (cotransport in the same direction) and pumps (use energy from hydrolysis of ATP).

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6 0
2 years ago
At which point in the eukaryotic cell cycle does mitosis occur?
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It is the c the middle of long one
4 0
3 years ago
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If a frog cell with 2n = 26 undergoes mitosis one of the daughter cells would have _____ chromosomes and if that frog cell with
KengaRu [80]

Answer:

C.) 26 - 13

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During mitosis, DNA is replicated during the S phase so that when the cell divides the daughter cells will have the same number of chromosomes that the parent cell had.

DNA replication also occurs during meiosis, but the cell divides twice, so the daughter cells will have half the number of chromosomes that the parent cell had. This is because the daughter cells are sex cells, which combine with another sex cell (either an egg or a sperm) to form one cell with a combined chromosome number.

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