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gogolik [260]
3 years ago
7

Name and describe 3 ways that genetic material gets into bacterial cells.

Biology
1 answer:
stepan [7]3 years ago
7 0
Conjugation , it transfers directly from one cell to another through cell to cell contact

Transformation , DNA usually comes from dead bacteria lysing and releasing their genetic content into the surrounding area

Transduction , it transfers of DNA from one cell to another by a virus
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What was one major source of conflict during the civil rights movement of the 1940s to 1950s?
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A Chlorella cell viewed through a microscope is 0.00005 m wide when the magnification is 2000.
juin [17]

Answer:

0.0025micrometer.

Explanation:

To calculate the actual size of the image, the formula to be used is

Actual size=Image size÷magnification.

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First, convert the image size to micrometer.

=0.00005 × 1000000

50micrometers.

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3 years ago
This is a cell or organism having half of the diploid chromosome number, symbolized by the letter n
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3 years ago
Read 2 more answers
There are two species of freshwater shrimp that are introduced to a pond. The first species, Caridina cantonensis, is brightly c
Marina86 [1]

Explanation:

Natural selection is the mechanism that is responsible for the evolution of organisms.  

In the given case, the Freshwater shrimp has been introduced to a pond in which the two species with variations are introduced.  

The <em>C. cantonensis </em>is brighter in color whereas the <em>C. multidentata</em> is mottled drab in color. The predator fish can feed easily on the species which is brighter therefore <em>C. cantonensis</em> is more susceptible. The mottled drab species is not easily predated by the species.  

The 30 % offsprings of <em>C. cantonensis</em> can survive till the reproductive age  whereas 75% of C. multidentata. This shows that natural selection has acted on the color of the shrimp species selected against the predator fish species.

The species with mottled drab color is the result of the differential reproductive rate.

5 0
3 years ago
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