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inna [77]
2 years ago
5

Which of the following describe a stem cell? Select three options.

Biology
1 answer:
telo118 [61]2 years ago
4 0
Where is the options ???!!!
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Compare the carboniferous period to the devonian period. thanks for answering :]
svet-max [94.6K]

Answer:

Compare the carboniferous period to the Devonian period is compared below in details.

Explanation:

In the Devonian Period, woods and land plants developed and vertebrates performed their presentation. Four-legged vertebrates developed during the Carboniferous Period, which created an improvement in the number of land-based bodies. The climate of the continental inland sections was very heated through the Devonian Period and usually quite dry while woods and land plants developed during the Carboniferous period.

6 0
2 years ago
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What are the eight different elements that cereal contains​
Luda [366]

earth, wind ,fire ,and air

5 0
2 years ago
If you have a 200kg man and a 50 kg little girl standing at the top of a diving platform that is 8 ft. above a pool. Which perso
rjkz [21]

Answer:

The 200kg man would have more potential energy.

Explanation:

because of his mass compared to the 50 kg little girl.

4 0
2 years ago
Pepto Bismol and Milk of Magnesia are products that people can take when they have an upset stomach, usually caused by excess st
Lena [83]

These products are designed to coat the gastric tissues and protect it from the acidity of the stomach or gastric secretions.

<h3>What are Pepto Bismol and Milk of Magnesia?</h3>

Pepto Bismol is made up of mainly Bismuth subsalicylate which has the ability to coat the mucosal surface of the gastric tissues.

Milk of Magnesia contains antacid that helps reduce the acidity of the stomach.

Therefore Pepto Bismol and Milk of Magnesia can be taken when people have an upset stomach.

Learn more about gastric tissues here:

brainly.com/question/5070089

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7 0
1 year ago
A student isolates a protein from anaerobic bacteria and analyses the protein by polyacrylamide gel electrophoresis containing S
elixir [45]

Answer:

The correct answer is option D.

Explanation:

In the presence of SDS single band appeared, while in the absence of SDS two bands appeared. SDS or sodium dodecyl sulfate refers to an anionic detergent, which combines with amino acid side chains providing the protein a net negative charge. It dissociates the non-covalent bonds.  

In SDS-PAGE, the separation of proteins takes place on the basis of their molecular weight. Options A and B are incorrect as only in the presence of SDS, the separation of protein subunits takes place. Option C is also incorrect as a protein containing distinct molecular weight cannot show single band.  

Option D is correct as the presence of SDS supplements a bunch of negative charges to the protein, thus, charge is not the factor. Therefore, the proteins are distinguished on the basis of the molecular weight. Thus, identical molecular weight demonstrates a single band. In the non-presence of SDS, charge performs a function along with the molecular weight, therefore, two bands appear.  

8 0
2 years ago
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