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slava [35]
3 years ago
11

A reaction produces a gas, which is collected in a glass cylinder. when a glowing splint is placed inside the container, it burn

s brightly, as shown. which gas was produced in the reaction?
Biology
1 answer:
defon3 years ago
5 0

If a burning splint is placed in a container and burns more brightly in the presence of some gas already in the cylinder, that gas would probably be Oxygen.  

Oxygen is the main component of air that we need to breathe. It is the most commonly available oxidizer. Besides combustion, it plays many roles in our life such as; the food we eat requires oxygen which helps in digestion and absorption of nutrients by the cells.  


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Orlov [11]

Answer:

The correct answer is -

1. Blending - C

2. Straining - D

3. Detergents - B

4. Meat tenderizer (protein enzymes) - E

5. Alcohol - A

Explanation:

To extract protein from various parts of the organisms there is a scientific process that helps in successfully extract it. Organisms such as plants have a rigid cell wall that is required to be broken in order to follow the scientific process of extracting DNA and protein.

Blending use to break the cell wall of the plants such as pea cells. After breaking the cell wall one needs to dissolve the cell membrane made up of lipids with the help of soap or detergents. After the dissolving cell membrane, there is a chance to DNA gets damaged by various chemicals, therefore, alcohol is used to allow DNA to form clumps or precipitate.

Straining is used to separate the cell organelle, dissolved cell membrane from DNA and protein. Papain is a meat tenderizer and a protein enzyme that cuts or breaks the protein.

7 0
3 years ago
Which species destroys 400 species of plants? (horse, Mediterranean fruit fly, Kudzu, Olive)
frutty [35]
Kudzu is the answer!
5 0
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Marta_Voda [28]
The answer is C) reptiles
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Romashka-Z-Leto [24]
I believe the correct answer to this question is B.

This is the correct answer because the other options can be eliminated and this choice represents the proper process described in the question. Answer choice A describes photosynthesis, which is not being asked about in the question. Answer choices C and D are either partially false or describe an unmatching process with the question.

I hope this is correct and helps you!
4 0
3 years ago
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Zigmanuir [339]

Answer:

A cell begins to produce a new type of protein. This is most likely due to an alteration of the sequence of bases in a section of a chromosome.

Explanation:

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DNA controls the production of protein in the cells and is the responsible part of the chromosomes for the synthesis of them. The process of protein synthesis is known as translation. <em>An alteration in the DNA results in an alteration in the mRNA because it decides the kind of protein will be synthesized in the body. With a different message, the rybosomes the protein composition will change and a new type of protein will be synthesized.</em>

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3 years ago
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