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Irina18 [472]
3 years ago
5

Using appropriate example,discuss two advantages of motility in bacteria​

Biology
1 answer:
Lady bird [3.3K]3 years ago
6 0

Answer:

- avoidance of toxic substances.

- increased efficiency of nutrient acquisition.

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Evidence that supports the prokaryotic origins of mitochondria and chloroplasts are all of the following except __________.
hodyreva [135]

Your question was incomplete (please check below the full content). The evidence that supports the prokaryotic origins of mitochondria and chloroplasts do not include multiple DNA copies associated with inner membranes.

<h3>What is organellar DNA?</h3>

The organellar DNA is the genome contained within mitochondria and chloroplasts, which is independent of nuclear eukaryotic DNA.

The organellar DNA contains multiple DNA molecules, which are found in association with the inner membrane, ant is not found in prokaryotic life forms.

The complete question in this case is: "Evidence that supports the prokaryotic origins of mitochondria and chloroplasts are the presence of mitochondria, a eukaryote engulfing prokaryotic photosynthetic cells, and non-photosynthetic eukaryotes, EXCEPT."

The endosymbiotic theory states that mitochondria and chloroplasts evolved from prokaryotic microorganisms that entered into a primitive eukaryotic cell.

This theory is supported by certain features of mitochondria and chloroplasts such as a similar size to prokaryotes.

In conclusion, evidence do not include the arrangement of the organellar DNA.

Learn more about mitochondrial DNA here:

brainly.com/question/1563697

#SPJ1

8 0
2 years ago
What is studied in organic chemistry?
ale4655 [162]
Organic chemistry<span> is a </span>chemistry<span> subdiscipline involving the scientific </span>study<span> of the structure, properties, and reactions of </span>organic compounds<span> and </span>organic<span> materials, i.e., matter in its various forms that contain carbon atoms.</span>
6 0
4 years ago
Why does passive immunity for a new-born only lasts for a short time?​
diamong [38]
The recipient will only temporarily benefit from passive immunity for as long as the antibodies persist in their circulation. This type of immunity is short acting, and is typically seen in cases where a patient needs immediate protection from a foreign body and cannot form antibodies quickly enough independently.

Hope this helps!

Have a great day!
7 0
3 years ago
In men, the purpose of the _______ is to carry semen and urine from inside to outside the body.
Nostrana [21]
Urethra. <span> <span>It is a narrow tube that is connected to both the bladder and the ejaculatory duct (in that order). It is therefore responsible for transporting urine and semen from the body. It is a fibro-muscular duct that is housed by the penis. It outer part of the urethra contains some sphincter muscles that allow voluntary control over urine while the inner part of the urethra allows for involuntary transmission of semen during ejaculation.</span></span>
6 0
4 years ago
A 10 N book is held 2 meters above the ground. How much work is done?* 1p
SCORPION-xisa [38]

The work done is 20J

<u>Explanation:</u>

Given:

Force, F = 10N

Distance, x = 2m

Work done, W = ?

We know,

Work = Force X distance

On substituting the value we get:

W = 10 X 2 J

W = 20J

Therefore, the work done is 20J

8 0
4 years ago
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