15 Questions
Based on the text, which of the following best describes the efficiency of the cells mentioned?
They are less efficient in exchanging materials both within themselves and with their environment.
How would you characterize the functionality of the cells discussed in the text?
Fully functional despite being less efficient
In what aspect are the cells being referred to in the text considered to be lacking efficiency?
Material exchange internally and externally
Where do actin filaments primarily exist in the cell?
Cell membrane
What is the main protein molecule that microfilaments consist of?
Actin
How would you describe the polarity of actin filaments?
Polarized
Which type of proteins are involved in activation or inhibition of receptors like insulin and growth factors receptors?
Transit proteins
Where are Compass proteins located in relation to the cell membrane?
Both outer and inner sides
What is the main function of G-group proteins according to the text?
Cell transduction
What is the function of actin according to the text?
Cell adhesion
What is a characteristic of Intermediated Filaments based on the text?
Intermediated diameter between actin and tubulin
Which component is mentioned to be very resistant to tension power in the text?
Intermediated Filaments
Where are keratin filaments rich in sulfur bridges typically found?
In epithelial tissues
Where are vimentin filaments commonly found?
In phagocytes
Which type of cell is NOT mentioned in the text as containing vimentin filaments?
Red blood cells
This quiz covers the structure and characteristics of microfilaments, which are composed of actin protein molecules and are polarized. Microfilaments are present beneath the cell membrane as a thin cortex.
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