Answer:
The correct answer is - 6.5 to 7.5 pH.
Explanation:
The proper acidity or alaklinity or pH of an environment affect the growth of the microbes. The most suitable pH value for the most of the microbes are between 6.5 to 7 pH.
Most bacteria influences bacterial growth positively around neutral pHvale which is 6.5 to 7.5. However, some present in acidic nature called acidophiles as they can tolerate pH value of 1.
Thus, the correct answer is - 6.5 to 7.5 pH.
Answer: see below.
Explanation:
gases dissolve more in colder water, so in summer the water can become oxygen depleted. Evaporation in summer can reduce water volume; even in summer rainfall climate evaporation rates may exceed precipitation. Evaporation will also cause higher conentrations of solutes of which some may reach toxic levels. Summer sun may also cause algal or cyanobacterial blooms which can further deplete dissolved oxygen and may release toxins into the water.
The difference between pH 3 and pH 4 is a 10 fold difference in the concentration of H+
Answer:
Option-C
Explanation:
A pulse-chase experiment which is used to study the cellular process taking place in the cells. This uses the labelled molecule which is incorporated into the cellular pathway and then the unlabeled molecules are used over time to determine how much time is required by the unlabeled molecule to replace the labelled molecule.
In the given question, the pancreatic cell which secretes the digestive enzyme known as the acinar cell is labelled with the leucine and then used unlabeled leucine.
When observed after three hours, the black spots will appear on the exterior of the cell as the protein has been synthesised by the ER and now has been secreted from the cell.
Thus, Option-C is the correct answer.
