AP BIOLOGY

BIOCHEMISTRY

ENZYMES AND METABOLISM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
____ are proteins with complicated 3-D shapes, which are keys molecules for metabolism
A
amino acids
B
enzymes
C
alpha helix proteins
D
glycoproteins
Explanation: 

Detailed explanation-1: -Tertiary Structure of Proteins Tertiary structure refers to the overall folding of the entire polypeptide chain into a specific 3D shape. The tertiary structure of enzymes is often a compact, globular shape.

Detailed explanation-2: -The amino acid sequence of a protein determines its three-dimensional shape.

Detailed explanation-3: -Answer and Explanation: The three-dimensional shape of an enzyme is known as its tertiary structure. This structure is specific to every enzyme and has a unique function. This shape allows other molecules to interact with it.

Detailed explanation-4: -Enzymes are protein macromolecules. With the exception of catalytic DNA and RNA which are considered enzymes but not proteins. They have a defined amino acid sequence, and are typically 100-500 amino acids long. They have a defined three-dimensional structure.

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