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Do E. coli cells have DNA?

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∙ 9y ago

Updated: 10/16/2024

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Q: Do E. coli cells have DNA?

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How many cells does escherichia coli have?

One. Some e coli also contain a plasmid which is extrachromosomal DNA

What common biological characteristics exist between Ecoil yeast and strawberries that allows DNA extraction?

E. coli and strawberries both contain cells that have DNA, so the DNA can be extracted.

How long in meters is the DNA strand in E. coli?

The DNA strand in E. coli is approximately 1.36 millimeters long when fully stretched out.

How many cells in 1mg of E. coli cell?

Approximately 2-3 million Escherichia coli cells are present in 1 milligram of bacterial culture. This can vary depending on the growth stage of the bacteria and their size.

When DNA is extracted from E coli cells and analyzed for base composition it is found that 42 percent of the bases are cytosine this means that there is also 42 percent of which base?

If 42 percent of the bases in E. coli DNA are cytosine, then 42 percent will also be guanine. This is because cytosine always pairs with guanine through three hydrogen bonds in DNA double helix structure.

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Related Questions

How many cells does escherichia coli have?

One. Some e coli also contain a plasmid which is extrachromosomal DNA

What common biological characteristics exist between Ecoil yeast and strawberries that allows DNA extraction?

E. coli and strawberries both contain cells that have DNA, so the DNA can be extracted.

An escherichia coli bacterium daughter cell inherits the exact DNA from its parents cell during the process of what?

During the process of cell division (binary fission), Escherichia coli bacterium daughter cells inherit exact copies of the parent cell's DNA. E. coli replicates its circular DNA and then segregates the copies into the daughter cells, ensuring genetic continuity.

How much more DNA is present in human cells compared to the bacteria E. coli?

A human cell contains approximately 3 billion base pairs and E. coli approximately 4.5 million base pairs.

How long in meters is the DNA strand in E. coli?

The DNA strand in E. coli is approximately 1.36 millimeters long when fully stretched out.

How does pBR322 work as cloning vector?

pBR322 is a plasmid vector that contains an origin of replication for replication in E. coli, as well as antibiotic resistance genes for ampicillin and tetracycline. It also has unique restriction sites for easy insertion of foreign DNA. Once the foreign DNA is inserted into the vector, the plasmid can be transformed into E. coli cells where it replicates and expresses the inserted DNA.

How did the Hershey and chase experiment produce evidence the DNA and not protein is the hereditary material in viruses?

They found that all of the viral DNA and little of the protein had entered E. coli cells. Then they concluded that DNA is the hereditary molecule in viruses.

What happen to lac repressor in E. coli when lactose is present?

E. coli binds with lactose which changes its conformation so that it no longer binds to DNA. This allows the lactose operon to be transcribed.

What is the main difference in cell structure between E. coli and Elodea cell?

The main difference in cell structure between E. coli (a bacterium) and Elodea cells (a plant) is the presence of a distinct nucleus in Elodea cells, which contains the plant's genetic material (DNA) and is surrounded by a nuclear membrane. In contrast, E. coli cells do not have a true nucleus, but rather a nucleoid region where the genetic material is located. Additionally, Elodea cells have cell walls made of cellulose, while E. coli cells have a cell membrane and cell wall made of peptidoglycan.

How many cells in 1mg of E. coli cell?

Approximately 2-3 million Escherichia coli cells are present in 1 milligram of bacterial culture. This can vary depending on the growth stage of the bacteria and their size.

When DNA is extracted from E coli cells and analyzed for base composition it is found that 42 percent of the bases are cytosine this means that there is also 42 percent of which base?

If 42 percent of the bases in E. coli DNA are cytosine, then 42 percent will also be guanine. This is because cytosine always pairs with guanine through three hydrogen bonds in DNA double helix structure.

Which is bigger rhinovirus or E. coli?

E. coli is bigger than rhinovirus. E. coli is a bacterium, which is larger in size compared to rhinovirus, which is a type of virus.

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