Answer:
A
Explanation:
A covalent bond consists of the mutual sharing of one or more pairs of electrons between two atoms. These electrons are simultaneously attracted by the two atomic nuclei. A covalent bond forms when the difference between the electronegativities of two atoms is too small for an electron transfer to occur to form ions.
It’s TAGCGTTAA they are complementary
The is because both are hydrophobic (due to their neutral
side chains) and have approximately the same net charge. The isoelectric point
of leucine at 25 degrees centigrade is 6.04 while that of alanine is 6.11. Therefore,
this mutation does not change the
structure of the protein hence does not affect its function (if not considerably).
Ans.
Aristotle was a Greek scientist and philosopher that performed various experiments and study in the field of biology, medicine, and physics. His research included logical, empirical observations as his study credited with earliest formal logic. He was the first person that studied biology systematically and his biology experiments included dissection of organisms.
Hence, the correct answer is option b). Aristotle.'
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