The images show amino acids in their \'generic\' representation-the box with \'R
ID: 145779 • Letter: T
Question
The images show amino acids in their 'generic' representation-the box with 'R' is used somewhat like X in algebra-'something goes here". In the case of amino acids, it could be any of 20 different carbon-based arrangements. We'll look at some in depth later. The top image shows how two amino acids are joined in formation of a protein. The -NH2 group of one forms a covalent bond with the COOH group of the other. Water is a byproduct of the covalent bond formation. This reaction is called a condensation reaction and results in the formation of a peptide bond. The lower image shows a common representation (left) and 'the truth' about amino acids in solution as the second part, where the -NH2 is charged (NH3+) as is the COOH (COO-). This is how these groups actually are in cells. Using your text, the web, the lab manual..identify the correct statements below Amino acid (1) Amino acid (2) Peptide bond 888 Fa 4 5 7 9 3 W EExplanation / Answer
The NH2 is referred to as an amino group TRUE
It is the functional group of amino therefore it is called amino group
The –COOH is referred to as a carboxy or carboxyl group TRUE
The carbon atom attached to the boxed R is called the alpha carbon TRUE
The R stands for a single atom of Ruthenium FALSE
The R group is also called a side chain TRUE
The only difference between different amino acids structure is the variable R group TRUE
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