In Sickle-Cell Anemia,the Negatively Charged Glutamic Acid Residue Is Replaced

question 41

Multiple Choice

In sickle-cell anemia,the negatively charged glutamic acid residue is replaced by the neutral amino acid ____________.

• A)tyrosine
• B)lysine
• C)valine
• D)adenosine
• E)glycine

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Definitions:

Structural Isomers

Molecules with the same molecular formula but different arrangements of atoms, resulting in different properties.

Valence Electrons

The electrons in the outermost shell of an atom, which determine the atom's chemical properties and its ability to form bonds.

Hydrogen Bonds

Weak bonds between a hydrogen atom in one molecule and an electronegative atom (often oxygen or nitrogen) in another, important in the structure of water and DNA.

Carbon Atom

The fundamental chemical element with symbol C, essential to all known life forms and the basis of organic chemistry.