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hoa [83]
2 years ago
15

Help me please!Cystic Fribrosis....​

Biology
1 answer:
kondaur [170]2 years ago
3 0

Explanation:

5--րդ դաս. Ես ձեզ նշումներ կտամ մեծացման հանդիպմանը գալու համար, ես 8194269079 գաղտնաբառ եմ aaaaa, սպասում եմ շուտով դասը կսկսվի

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If a material is a good conductor of electricity, it is a
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The Answer is B. Metal.

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Can anyone explain in detail the process of mitosis? (Including PMAT)
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Answer:

Mitosis is a process of nuclear division in eukaryotic cells that occurs when a parent cell divides to produce two identical daughter cells. During cell division, mitosis refers specifically to the separation of the duplicated genetic material carried in the nucleus.

Explanation:

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2 years ago
Land plants have to prevent;<br> a) excessive growth<br> b) drying out <br> c) seed development
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D, they need to be able to absorb and keep water to prevent drying out
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3 years ago
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2. Ms. L's respiratory function was evaluated by quantifying different lung volumes and capaci-
Sphinxa [80]

Based on respiratory function tests, the correct options are:

  • spirometer.
  • vital capacity
  • residual volume.

<h3>What is a respiratory function tests?</h3>

A respiratory function test is a test done to evaluate the ability of the lungs to take in air and remove carbon dioxide

The machine used for this test is called a spirometer.

Therefore;

  • Ms. L's respiratory function was evaluate using a machine called a spirometer.
  • The amount of air that can be expelled by maximum ex-halation after maximum inhalation is termed the vital capacity
  • An increase in the amount of air remaining in her lungs after a normal expiration is called the residual volume.

Learn more about respiratory function test at: brainly.com/question/18117969

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3 0
2 years ago
The Miller and Urey experiment (or Urey–Miller experiment) was an experiment that made organic compounds out of inorganic ones b
MaRussiya [10]

Answer:

The goal of the Miller-Urey experiment was to test the idea that through basic, natural chemical reactions, the complex molecules of life (in this case, amino acids) may have emerged on our young world. The experiment was a success in generating during the simulation amino acids , the building blocks of life.  

They were trying to prove that the formation of life was preceded by chemical evolution.

Explanation:             <u> MILLER-UREY EXPERIMENT </u>

    The Miller-Urey experiment (or Miller experiment) was a chemical experiment that simulated the conditions thought to be present on early Earth at the time (1952) and under those conditions tested the chemical origin of life. At that time, the experiment sponsored Alexander Oparin's and J. B. S. Haldane 's belief that putative conditions favored chemical reactions on the primitive Earth that synthesized more complex organic compounds from simpler inorganic precursors. It was conducted in 1952 by Stanley Miller, supervised at the University of Chicago by Harold Urey, and published the following year as the classic experiment investigating abiogenesis.

Water (H2O), methane ( CH4), ammonia ( NH3) and hydrogen ( H2) were utilized in the experiment. Within a sterile 5-liter glass flask linked to a 500 ml flask half-full of water, the chemicals were all sealed. To cause evaporation, the water in the smaller flask was heated and the water vapour was allowed to reach the larger flask. In order to simulate lightning in the water vapor and gaseous mixture, continuous electric sparks were shot between the electrodes and then the simulated atmosphere was cooled again so that the water condensed and trickled into a U-shaped trap at the bottom of the apparatus.

The solution gathered at the trap had turned pink after a day, and the solution was deep red and turbid after a week of continuous operation. The boiling flask was then removed and mercuric chloride was applied to avoid microbial contamination. By adding barium hydroxide and sulfuric acid, the reaction was discontinued and evaporated to eliminate impurities. Using paper chromatography, Miller detected five amino acids found in the solution: glycine, α-alanine and β-alanine were positively identified, while aspartic acid and α-aminobutyric acid (AABA) were less certain, due to the spots being faint.

Therefore, Miller's experiment was trying to prove the formation of diverse organic molecules from inorganic molecules.

4 0
3 years ago
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