Answer: The type of front in the box within the image is given below-
- Cold front are those in which the cold air becomes mobile and enters the region of warm air. Due to its greater density it remains in contact with the ground surface and further pushes the warm air to rise up. Here, the Blue line depicts the cold front.
- Warm front are those in which the less denser warm air rises up over the colder dense air. Its the region of low pressure zone and here the red line depicts the warm front.
- Stationary front are those in which the two opposite moving fronts are parallel. Here the line containing both blue and red depicts the stationary front.
Answer:
They may place a sterility indicator with special dye to detect the growth of endospores.
Explanation:
A sterility indicator should be placed inside and in the center of the item that will be autoclaved, if the indicator changes colors that means that the endospores were not killed with the sterilization process and the bacteria survived the high temperatures of the autoclave.
Answer:
The phase of mitosis where chromatids are formed is <u>Metaphase</u>
A contaminant is any environmental agent -biological,chemical or physical that causes damage.
Answer:
3' OH ( hydroxyl group).
Explanation:
DNA is present as the genetic material in almost all the living organisms except in case of some viruses only. DNA is made of the polymers of the nucleotides.
The phosphodiester bond is present between the two nucleotide chains. The phosphodiester is a covalent bond formed in which the phosphate group of nucleotide is involved with the hydroxyl group of the sugar and a small molecule like water is removed during the process.
Thus, the correct answer is 3' OH ( hydroxyl group).
