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(Score for Question 2: ___ of 15 points)

1. Proteins, structurally and functionally, are the most diverse molecules in life. The shape of a protein is the source of its function.

Answer:
(a) Identify and describe the levels of organization that determine the shape and function of a protein.
(b) Describe how a protein's functions can become ineffective.
(c) Justify how DNA determines a protein's structure.

Type your answer here:

Sagot :

GinnyAnswer

Final answer:

Proteins' structure and function are determined by distinct levels of organization, which can be disrupted, leading to ineffective protein functions. The DNA sequence determines a protein's structure through the encoding of amino acid sequences.


Explanation:

The levels of organization that determine the shape and function of a protein:

  1. Primary structure: The sequence of amino acids.
  2. Secondary structure: Regular repeating patterns like alpha helices or beta sheets.
  3. Tertiary structure: Overall 3D shape of the protein.
  4. Quaternary structure: Interaction between multiple protein subunits.

A protein's functions can become ineffective due to:

  • Denaturation caused by changes in temperature or pH.
  • Changes in the protein's structure affecting its active site.
  • Mutations altering the protein's sequence leading to loss of function.
  • How DNA determines a protein's structure:
  • The sequence of nucleotides in the gene (DNA) encodes the sequence of amino acids, which dictates the protein's primary structure and ultimately, its function.

  • Learn more about Proteins' structure and function here:
  • https://brainly.com/question/43033122

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