The backbone of protein molecules consists of repeating N 
C 
C 
O units.
Definitions:
\(x-2\)
An algebraic expression representing the subtraction of 2 from the variable x.
Principal P
The initial amount of money on which interest is calculated in financial transactions.
Rounded
The process of adjusting a number to a nearby specified value, usually to a specified number of significant digits or decimal places.
11%
A percentage representing eleven parts out of a hundred.
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Q106: Draw Lewis structures which obey the octet