Answer:
Option D. electrical; mechanical.
Explanation:
The motor transforms electrical energy into mechanical energy. It also works on the principle of electromagnetic induction. Motor is a device which is used for pumping water from the underground by using of electricity. In motor, there is a structure which is capable of converting electric energy into mechanical energy.
Answer:
Uracil
Explanation:
Like DNA, RNA is made up of nucleotides called ribonucleotides. However, unlike DNA, RNA contains the sugar ribose instead of deoxyribose and the base uracil instead of thymine. RNA also contains of only one polynucleotide chain. Uracil is a type of nitrogenous base that is replaced by thymine during the formation of RNA.
The loss of the hydrogen on one molecule produces a negative charge, which is attracted to the positive charge formed by the loss of the hydroxy group from the other molecule.
Tetracyclines are antibiotics used against a wide range of microorganisms, such as bacteria, chlamydia, rickettsia and some protozoa parasites.
<span>They inhibit synthesis of protein in bacteria by inhibiting the binding of transport RNA and ribosome and</span> are effective against both gram-positive and gram-negative bacteria.
Is the B because the skin is the mejor organ of the second line of defense
