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4vir4ik [10]
3 years ago
11

Can we detect bacteria in pollutants using DNA profiling

Biology
1 answer:
Blababa [14]3 years ago
6 0
Yes. You could do this by adding solvents to break down any cell walls, centrifuge to separate the DNA, if you haven't got much then upscale with PCR, gel electrophoresis could be used to detect the DNA, and Sanger sequencing to find the sequence.  

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The use of arsenate instead of phosphate by glyceraldehyde 3‑phosphate dehydrogenase produces 1‑arseno‑3‑phosphoglycerate, which
iVinArrow [24]

Answer:

In glycolysis, the generation of ATP takes place at the time of the transformation of 1,3-bisphosphoglycerate to 3-phosphoglycerate and at the time of the transformation of phosphoenolpyruvate to pyruvate. However, when arsenate is used in place of phosphate it results in the generation of 1-arseno-3-phosphoenolpyruvate to pyruvate that further gets dissociated into 3-phosphoglycerate without generating any ATP.  

However, in the process, the transformation of phosphoenolpyruvate to pyruvate does not get hampered, and therefore, the reaction will produce two ATP from one glucose. Although at the time of the preparatory phase of glycolysis, two ATPs are used that signifies that the net gain of ATP will be zero.  

7 0
3 years ago
How do the chromosomes in most cells of an organism, such as the leaf cells of a plant, compare to the chromosomes in its reprod
Lunna [17]

Answer:

Reproductive cells have half the amount of chromosomes than body cells

Explanation:

I think that you are talking about body cells when you say "most cells in an organism." If that is the case, then the reproductive cells, sperm and egg cells, have half the amount of chromosome than body cells.

For example: Human body cells have 46 chromosomes. Human reproductive cells has 23 chromosomes.

In sexual reproduction, each parent gives 1/2 of a full set of chromosomes to create the full set needed for an organism.

8 0
3 years ago
Which chemical is added to many municipal water supplies to prevent tooth decay
Yakvenalex [24]
Sodium fluoride is a chemical that is added in many municipal water supplies to prevent tooth decay. You can even find it in your toothpaste if you look at the ingredients. Sodium fluoride is a very safe and effective chemical used in lots of oral products because of its benefits against tooth decay. Hope this helps!
4 0
3 years ago
Read 2 more answers
Animal and plant cells have cell membranes and cell walls to separate the cytoplasm from the
sweet-ann [11.9K]
False, Animal cells do “not” have cell walls.
5 0
2 years ago
PLEASE HELP, I WOULD REALLY APPRECIATE IT
romanna [79]

Answer:

the answers should be

C. Hit with a ball

D. Ask someone to help work it out

A. Goals

6 0
3 years ago
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