Answer:
The answer is D.
Explanation:
Farmers have to continuously use the pesticides once used the first time because they have become an indispensable part of an agricultural cycle.
#teamtrees #WAP (Water And Plant)
Adenine, Thymine, Cytosine and Guanine.
<u>Explanation</u>
In double helix, the nitrogenous bases of opposite nucleotides form pairs through hydrogen bonds. The nitrogenous base adenine of one nucleotide forms pair with thymine of opposite nucleotide, while cytosine forms pair with guanine.
Belonging to the large family of alcohols, propylene glycol is a chemical element widely used by the food industry thanks to its recognized emulsifying properties. It is referable to its acronym E1520. This colorless, low volatile and soluble diol is also used in many other industries. Pharmaceutical, cosmetic, aeronautic, textile industries ... Propylene glycol is involved in the composition of many polymers such as polyester. Non-toxic when inhaled, propylene glycol is used in electronic cigarette filling fluid to produce an aerosol effect comparable to that of smoke.
With respect to polypropylene glycol, each condensation of propylene glycol causes a loss of a water molecule
C3H8O2 + C3H8O2 + C3H8O2 ==> C9H20O4 + 2H2O
Answer: There can be few reasons why surface on water can be harmful to the bacterial colony.
Explanation:
It is possible that while preparing the media for the bacterial colony that the constituents might not have been taken right proportion and water is more in it.
It tends to float on the surface and if the bacterial colony is not able to grow in such an environment it will led to the death of the colony.
There are chances that the mobility of the bacterial species increases in water and because of this there will be problems faced at the time of isolation.
