Answer:
<h2>C. What is the length of the S phase of the cell cycle?
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Explanation:
- Such type of technique that is used to tack or identified the passage or location of the metabolic reaction, organelles and some other during the research or experiment is known as radiolabelling.
- During the study of the synthesis of the DNA, the nucleotides are labeled to check the S phase of the cell cycle.
- Since the synthesis of the DNA takes place during this phase so the time and length of the S phase can be easily obtained during the experiment.
- This technique is also used for different purposes during the biomolecular experiment and some other disciplines.
Answer: Rinsing with alcohol during the washing step stripped the bacteria off the glass slide.
Explanation:
The step that is being wrong in the whole experiment is that the student is washing the bacteria on the slide with alcohol.
Alcohol might have washed off all the bacteria as it is corrosive in nature. The bacteria that is going to be observed in the experiment is being killed when it is washed off.
This was the wrong step opted by the student if he finds any alternative solution to this then the bacteria can be observed in the microscope.
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Use Figure 5-1 to determine what a soil is called if it has 20 percent clay, 60 percent silt, and 20 percent sand, the answer is <span>Silt loam</span>
Petroleum resources provide plastic in addition to energy. Petroleum products are used for transportation and is also used as feed-stock for making plastics, chemicals, synthetic materials. Recently a nation used petroleum resources for making indispensable plastics. This is a boon for science and will become necessity very soon.This is a recent advancement and is widely used in America. Gallons of petroleum are used for these kinds of advancements in petroleum industry.
