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gogolik [260]
2 years ago
10

Diffusion is the movement of particles against the concentration gradient

Biology
1 answer:
lys-0071 [83]2 years ago
3 0

Answer:

incorrect

Explanation:

diffusion is the movement of particles <u>with</u> the concentration gradient

for example: over time, food coloring and water mix and become one same color.

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lesya692 [45]

Ummmmmmmmmm okur thennn

3 0
3 years ago
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Who discovered that dna was the genetic material or transforming factor that could convert nonvirulent r-type streptococcus pneu
KatRina [158]
Discovery
               In 1928 it was discovered by Frederick Griffith in an experiment generally known as transformation.

Experiment
                 
 In his experiment he considered two strains of <em>streptococus pneumonia,</em> one was R-type which was non-virulent and cause no disease in mice, other was virulent and S-type which cause disease and at last death of mice.
This experiment was comprised of four steps which are as follow:

 Step 1:
           First he injected living strain of S into mice, after sometime mouce died.

Step 2:
          He injected living strain of R into mice, the mice alive as he did not got any disease.

Step 3:
         He injected heat killed strain of S into mice and mice remain alive.

Step 4:
           He mixed living R strain with heat killed S strain and then inject into mice. As a result the mice died.

Conclusion:
                  It was found that genetic material from heat killed S stain were transferred to living R (non-virulent) strain, as a result R become virulent and cause the death of mice.

7 0
3 years ago
Name three important compounds of potassium and give their use in daily life​
Ainat [17]

Answer:

Potassium

Explanation:

Potassium forms many important compounds. Potassium chloride (KCl) is the most common potassium compound. It is used in fertilizers, as a salt substitute and to produce other chemicals. Potassium hydroxide (KOH) is used to make soaps, detergents and drain cleaners.

5 0
3 years ago
Name the respiratory system
Aleonysh [2.5K]

Answer:

The respiratory system is made up of the organs involved in the interchanges of gases. It consists of the:

Nose

Mouth

Throat (pharynx)

Voice box (larynx)

Windpipe (trachea)

Airways (bronchi)

Lungs

8 0
2 years ago
A tortoise can live for 54,750 days how many years can a tortoise live
kompoz [17]
54750/365 = 150
A tortoise can live 150 years.
8 0
3 years ago
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