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trapecia [35]
4 years ago
6

What factors influence the amount of DNA you have?

Biology
1 answer:
Free_Kalibri [48]4 years ago
5 0

The factors are: The size of the sample, the extraction method, the method of purification and preservation of the DNA.

The quantity and quality of DNA can be greatly improved by performing PCR.

* Purification of nucleic acids is a key step for functional studies in biology. Because of the great diversity of living organisms in nature, purification becomes a real challenge for researchers, especially cell lysis.

The evolution of lysis methods has made it possible to improve efficiency, speed and simplicity. But, this lysis step remains a crucial step for the efficiency and the quality of the purification.

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How does botany and stomach contents help during a crime scene investigation
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Answer:

These DNA methods may be useful for linking an individual to a crime scene or physical evidence to a geographic location, or tracking marijuana distribution patterns.

Explanation:

6 0
3 years ago
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Freshwater leeches attach to fish and suck blood from the fish for extended periods of time. This results in sores on the fish t
dangina [55]

Answer:parasitism

Explanation:

the leeches benefit but cause the fish harm I’m not sure if this is the type of answer you needed hopefully it helps

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2 years ago
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the two paramecium species were grown alone then grown together in a culture. based in the graphs, what can you conclude about t
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The paramecium have a higher chance of survival when grown separately. Besides the chart, we can assume that the reason this is possible is that they have easier access to more resources, like food and water.

Explanation:

3 0
3 years ago
Primary source of energy for earth's weather systems
harina [27]
The sun.
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4 0
4 years ago
When an enzyme is outside the temperature range, pH range, or both in which it normally functions, what happens to cause it to n
lozanna [386]

Answer:

The increase in temperature reflects an increase in the kinetic energy of the molecules, which favors the collision between the enzyme and substrate molecules. If the optimum pH changes, the conformation of the enzyme is altered and the substrate cannot enter its active site.

Explanation:

The relationship between pH and activity depends on the acid-base behavior of the enzyme and the substrate itself. Substrate and enzyme (active center) can contain acidic and basic functional groups, their degree of dissociation being dependent on pH, which will determine, among other aspects, the conformation of the protein, the binding capacity of the substrate to the active center of the enzyme and the transformation capacity of the substrate. The rate of an enzymatic reaction varies with increasing temperature. Such dependence reflects a double effect of temperature: positive at low values, due to the general increase that the speed of any chemical reaction experiences as temperature increases, and negative at high values, due to the thermal denaturation of the enzyme. That is, the speed of an enzymatic reaction increases as the temperature increases within a certain range, reaching a maximum value at the so-called optimal temperature. At higher values ​​the activity decreases because the enzyme, like any other protein, undergoes denaturing processes and, therefore, inactivation.

6 0
3 years ago
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