Bacterial cells that contain green fluorescent protein (GFP) will fluoresce under ultraviolet light. Which of the following is the most likely outcome of replacing the lacZ gene in the E. coli lac operon with the gene encoding GFP?

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13-02-2020
Biology

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Bacterial cells that contain green fluorescent protein (GFP) will fluoresce under ultraviolet light. Which of the following is the most likely outcome of replacing the lacZ gene in the E. coli lac operon with the gene encoding GFP?

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TenishaTon TenishaTon · Answer 1 · 2020-02-18T08:39:53+01:00

Answer: The bacteria that glows in the presence of lactose will fluorescence under ultraviolet light.

Explanation:

Bacteria growing in the presence of lactose will fluoresce under ultraviolet light as well. The gene that is responsible for the fluorescence will be inserted in E.coli and the gene that is replaced is lac Z gene.

The lac Z gene when replaced by the green fluorescent protein then the bacteria will glow in the presence of ultraviolet light.

Hence, the E.coli will also glow in the presence of ultraviolet light.

kasliwalalvi24 kasliwalalvi24 · Answer 2 · 2022-01-10T16:07:50+01:00

Bacterial cells are prokaryotic organisms, which consist of the Green Fluorescent Protein expressed in UV light.

The bacterial cells will glow in the presence of lactose under UV light.

The bacteria grow in the presence of lactose, which will fluorescence under ultraviolet light. The gene responsible for the fluorescence of the bacteria is inserted in the E.coli.

The lac Z gene is replaced by the green fluorescent protein, which allows the bacteria to fluorosis in UV light.

Thus, the E.coli will glow in the presence of GFP.

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