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ale4655 [162]
3 years ago
15

louis pasturs experiments showed that bacteria did not grom in a flask unless they first entered from the surrounding environmen

t. what part of the cell theory did this prove?
Biology
1 answer:
Katyanochek1 [597]3 years ago
5 0
All cell are produced from other cells.
The surrounding environment is filled with many type of cells that can interact with the bacteria once it's exposed to it.
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Lymph carries all of the following except
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What grows inside the structure pictured below?
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A cellular structure that can be found in each type of cell that is unique to each type of cell, but that has a similar function
34kurt

Answer

Complex barrier to the flow of substances out of the cells,and restrictions to inflow of unwanted substances into the cells. The hydrophobic and hydrophilic nature of the cell membrane controls the entry of substances from the extracellular medium into the intracellualr. In addition the polarity restricts certain substance movement across the walls.

Serve as the selective channels  for the  influx of certain substances into the cells, and the out flux of wastes.This is through ion channels for the movements of ions across.

Provide insulation to the cells,to maintain the constant internal temperature,this is through the presence of lipids as( Phospholipids and cholesterol).The latter prevent the clogging of the lipids in the cell membrane therefore preventing frozen up of the cell membrane,providing insulation.

Separation of metabolic process in the cell.

Explanation:

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6 0
3 years ago
Regulatory and basal transcription factors regulate transcription by binding to the promoter.A) True B) False
Licemer1 [7]

Answer:

False

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In eukaryotes apart from RNA polymerase, the transcription of genes requires many different proteins called transcription factors. These transcription factors are important to initiate and regulate transcription.

There are two types of transcription factors regulatory and basal transcription factors. Basal transcription factors regulate transcription by binding to a gene promoter and regulatory transcription factor regulates transcription by binding to some regulatory sequences for example enhancers and silencers.  

Therefore only basal transcription factor binds to the promoter for regulating transcription. Therefore the statement is false.

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What the differences between reproductive system and reproduction?​
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<em>Reproduction</em> refers to the production of offspring.

The <em>reproductive system</em> consists of the sex organs that is needed for reproduction to happen.

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3 years ago
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