NURSING ANM AND GNM

NURSING EXAM QUESTIONS

MICROBIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
T/F:All amino acid structures have a carboxyl group attached, and typically play a major role in secondary protein structures.
A
True
B
False
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -The carbon, carboxyl, and amino groups are common to all amino acids, so the R-group is the only unique feature in each amino acid.

Detailed explanation-2: -Chemically, an amino acid is a molecule that has a carboxylic acid group and an amine group that are each attached to a carbon atom called the carbon. Each of the 20 amino acids has a specific side chain, known as an R group, that is also attached to the carbon.

Detailed explanation-3: -Carboxyl groups and carboxylate anions are widely present in proteins, both as part of the side chain of amino acids glutamic and aspartic acid and as C-terminal groups.

Detailed explanation-4: -Secondary structure of the proteins can be used to predict the tertiary structure since predicting only with amino acid sequence may not be sufficient. The secondary structure of proteins is determined by the pattern of hydrogen bonding.

There is 1 question to complete.