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Serjik [45]
3 years ago
12

What is the purpose of Chromatography? 1. Separate organelles 2. Separate pigments

Biology
1 answer:
lina2011 [118]3 years ago
8 0

Answer:

Separate pigments

Explanation:

The separation of different pigments depends on the solubility in mobile phase and retention by stationary phase. Components more soluble in mobile phase travel further than components more strongly adsorbed to stationary.

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Please help... Only numbers 4,5 and 9
Alex73 [517]
4:
Independent Variable: Photosynthesis
Dependent Variable: Starch

Starch is a product of photosynthesis. Without photosynthesis, starch cannot form. Therefore starch is dependent on photosynthesis.

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Dependent Variable: Animal Metabolism

Animal metabolism will only be affected if the temperature of the room changes. Therefore animal metabolism is dependent on temperature.

9:
Independent Variable: Rainfall
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The thickness of the tree's growth rings are determined by the amount of rainfall. Therefore the thickness of growth rings are dependent on rainfall.
4 0
3 years ago
What is the formula to find:<br><br> 1) Density:<br><br> 2) Volume:<br><br> 3) Mass:
nexus9112 [7]
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3 years ago
How were Lamarck’s and Darwin’s ideas most similar?
irinina [24]

Answer:

Darwin and Lamarck's theory is different but they were also very similar. Both of them thought that the organism changed, and they are very helpful for the organism to survive. These characteristics are also passed to their young generation.

Darwin theory state that an organism gets the helpful variation before the changes in the environment, Lamarck's theory said that organism gets variation after the change in the environment.

Lamarck's stated that giraffe got long neck when the food on the ground ran out. In order to get the food they stretch out their neck to get food. Darwin thought organism changed by chance, at the time when they are born and before the change in the environment.


6 0
3 years ago
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In two or more sentences, analyze why internal fertilization is more efficient than external fertilization?
almond37 [142]

Answer:

Although more offsprings are produced by the process of external fertilization but the process of internal fertilization is more efficient as compared to external fertilization. This is because, in external fertilization, it is more difficult for the sperm to find the egg and fertilize it. Even after fertilization, it might be that the zygote gets eaten up by a predator. There are none such risks in internal fertilization. The zygote is protected during the internal fertilization which makes this process more efficient.

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What strand of mRNA would be produced from the strand of DNA shown below? ACT GAC
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The strand of mRNA = UGA CUG 
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