11 Questions
What is the role of proteins in nearly all chemical reactions in biological systems?
Facilitate enzymatic catalysis
Which protein binds to iron for transport in the bloodstream?
Albumin
What is the main role of membrane proteins in cells?
Relaying signals within cells
Which proteins serve as reserves of metal ions and amino acids in the body?
Ferritin and Casein
What are the major structural components of cell membranes?
Proteins and Lipids
Which proteins are the major components of muscle, contributing to muscle contraction?
Actin and Myosin
What provides support and shape to cells and tissues?
Proteins like collagen and elastin
Which proteins defend vertebrates against bacterial and viral infections?
Antibodies
What type of proteins are involved in the generation of nerve impulses?
Rhodopsin
What are the basic structural units of proteins?
Amino acids
At neutral pH, how are amino acids predominantly present in solution?
As dipolar ions (Zwitterions)
Explore the composition and roles of amino acids and proteins in the human body, including their percentage content and their crucial roles in biological processes such as enzymatic catalysis and structural support.
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