How does the structure of the skeletal muscle help it perform its function?

1 answer:

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by These muscle cells are arranged in bundles of nerve fibers. They produce short, intense contractions. Smooth muscle controls involuntary movements in the internal organs. ... It contracts involuntarily, but its cellular structure is organized in bundles like skeletal muscle.

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a scientist isolates all of the mrnas in a kidney cell and reverse transcribes them into dsdna. the dsdna copies are then insert

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When the dsDNA copies are then inserted into vectors and cloned into E. coli. the scientist has produced a cDNA library.

A collection of DNA fragments that have been cloned into vectors to identify and isolate desired DNA fragments is known as the DNA library. cDNA libraries and genomic libraries are the two types of libraries.

cDNA (Complementary DNA )library: cDNA is a DNA copy of an mRNA molecule that is produced by reverse transcriptase, a DNA polymerase that can use RNA or DNA as its template.

These are made by using mRNA as their starting material as templates.
They only represent genes in the genome that are expressed under particular conditions.
Because cDNA lacks introns, prokaryotic cells can express it.

Know more DNA libraries here: brainly.com/question/14233038

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