Answer:
The following are the two functions of citric acid in the feta cheese:
1. Coagulation, that is, the chemical reaction of citric acid with proteins in milk leads to separation of curd and whey.
2. The citric acid functions as a chelating agent, which is required for syneresis, that is, for controlling the moisture content.
The following are the two functions of agar in the feta cheese:
1. Feta means to slice, and agar offers sliceable texture to the feta cheese as it produces a solid gel-like composition.
2. It is a vegetarian alternative for gelatin and exhibits higher gelling properties.
Cocaine induces a sense of exhilaration by increasing the availability of dopamine and serotonin in synapses. Cocaine is among the powerful stimulants which increase the release of neurotransmitters such as nor-epinephrine, dopamine and serotonin, that affect CNS and PNS activity. Cocaine administration constricts blood vessels that are absorbing it, son snorting it is a slow way to deliver it to blood stream and eventually the brain.
Blood is isotonic to cells in order to conserve the shape and structure of the surrounding cells.
- Isotonic solutions are solutions that have the same concentration of water on both sides of a cell membrane.
- In this case, the blood is an aqueous fluid that exhibits isotonic properties compared to its surrounding cells.
- Isotonicity enables the blood to transport oxygen and nutrients to the cells but simultaneously conserves the structure and form of these cells.
In conclusion, blood is isotonic to cells in order to conserve the shape and structure of the surrounding cells.
Learn more about isotonic solutions here:
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