15 Questions
Which component is NOT part of a protein molecule?
Phosphorus
What is the primary structure of a protein determined by?
The number and order of amino acids in a protein chain
Which type of protein provides the cell with its shape?
Structural proteins like actin or tubulin
What is the main reason behind the irreversible denaturation of proteins?
Loss of hydrogen bonds
Which amino acid property is responsible for the creation of kinks and bends in a protein's structure?
Presence of sulfur group
What type of protein structure do tubulin proteins primarily exhibit?
Fibrous proteins
What determines the secondary structure of a protein?
Hydrogen bonding pattern of hydrogens in the amine and carboxyl groups
What happens when a protein denatures?
It loses its structure and function
How does a single change in amino acids impact the function of a protein?
It alters the entire function of the protein
Which cellular component do microtubule strands resemble in their function?
Highways
Which of the following is NOT a function of proteins in the cell?
Storing genetic information
Which protein acts as a receptor for the hormone estrogen and also functions as a transcription factor?
Estrogen receptor
What is the function of p53 protein in the cell?
Protection against DNA damage
Which protein helps link neighboring cells together and promotes tissue structure?
Cadherin
What is the main function of Acetylcholinesterase in the cell?
Facilitating muscle contraction
Test your knowledge on the denaturation process, where proteins lose their structure due to heat or other factors. Learn about how denaturation occurs in the body to combat pathogens and in everyday cooking like with egg whites.
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