Mitochondria is the power house of the cell (also pay attention in class)
Differential gene expression patterns allow one tissue to produce a hormone, and another to facilitate nutrient exchange. The same organ can serve both functions because it can synthesize different proteins.
<h3>Diferential gene expression</h3>
Gene expression refers to the differential process by which different genes are expressed (transcribed and then translated) in different cell types.
Gene expression enables different functions due to the production of different types of proteins which may have both enzymatic and structural functions.
A specialized cell type or organ can synthesize different proteins and also generate other molecules (either enzymes or structural proteins) due to the process of cell differentiation.
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Answer:
Dust bowl resulted from extreme drying and loosening of the soil that resulted in soil erosion by wind. Thus, it can be related that poor agricultural practices like over plowing , over grazing and leaving the land barren are human activities that must have contributed to the dust bowl.
Explanation:
- Dust bowl is referred to a period in early twentieth century when the the American and Canadian prairies faced severe dust storms.
- These dust storms resulted from severe drought and failure of practices to prevent soil erosion.
- Several people and livestock died as a result of choking.
- Over plowing, removal of top soil and small grasses exposed the soil to eroding winds and caused the dust storms.
Guilty plead is the unit of analysis that can be inferred from the following hypothesis.
<h3>How do you analyze DNA evidence?</h3>
The overall method entails: the separation of DNA from a sample of evidence containing DNA of unknown origin; and, typically subsequently, the separation of DNA from a sample (such as blood) from a known individual; the processing of the DNA so that test results may be produced.
<h3>How has DNA analysis been used in criminal cases?</h3>
The analysis of biological evidence from the crime scene and comparison with criminal profiles in DNA databases can be used to identify the perpetrator in situations when a suspect has not yet been named. DNA databases can be used to connect crime scene evidence to other crime scenes.
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