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poizon [28]
3 years ago
8

Which feature is found in eukaryotic cells but not in prokaryotic cells? A. plasma membrane B. nucleus C. cytoplasm D. genetic m

aterial
Biology
2 answers:
kiruha [24]3 years ago
6 0

B is the correct answer

A prokaryote cell has no distinct nucleus with a membrane and neither does it have other specialized organelle.

In a eukaryotic cell, the genetic material is DNA in the form of chromosomes which are found within a distinct nucleus.

Examples of prokaryotes Streptomyces soil bacteria (from which streptomycin antibiotic is derived), Escherichia coli bacterium and Streptococcus bacteria (which causes strep sore throat).

Examples of Eukaryotes include protozoa such as amoeba, fungi, plants, animals and generally all  multicellular organisms.


Over [174]3 years ago
5 0

The correct answer is actually A  

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Answer:

Given:

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(CFU is colony forming units) => (number of colonies on plate/ng of DNA plated) X 1000 ng/µg = CFU/µg of DNA

Amount of DNA used for plating = 100ng * (200/1000)

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Efficiency calculation = 40 colonies / 20ng = 2 colonies/ng

               (2 colonies/ng) * (1000 ng/µg) = 2000 CFU/ug DNA

Transformation efficiency = 2000 Transformants / ug DNA

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Explanation:

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