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15 Questions

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Microfilaments: Actin Protein Filaments

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Questions and Answers

Based on the text, which of the following best describes the efficiency of the cells mentioned?

They have no functional efficiency in exchanging materials.

They are highly efficient in exchanging materials with the environment but not within themselves.

They are less efficient in exchanging materials both within themselves and with their environment. (correct)

They are efficient in exchanging materials within themselves and with their environment.

How would you characterize the functionality of the cells discussed in the text?

Highly efficient and fully functional

Fully functional despite being less efficient (correct)

Dysfunctional and inefficient

Partially functional but inefficient

In what aspect are the cells being referred to in the text considered to be lacking efficiency?

Cell division

Energy production

Reproduction

Material exchange internally and externally (correct)

Where do actin filaments primarily exist in the cell?

Cell membrane Signup and view all the answers

What is the main protein molecule that microfilaments consist of?

Actin Signup and view all the answers

How would you describe the polarity of actin filaments?

Polarized Signup and view all the answers

Which type of proteins are involved in activation or inhibition of receptors like insulin and growth factors receptors?

Transit proteins Signup and view all the answers

Where are Compass proteins located in relation to the cell membrane?

Both outer and inner sides Signup and view all the answers

What is the main function of G-group proteins according to the text?

Cell transduction Signup and view all the answers

What is the function of actin according to the text?

Cell adhesion Signup and view all the answers

What is a characteristic of Intermediated Filaments based on the text?

Intermediated diameter between actin and tubulin Signup and view all the answers

Which component is mentioned to be very resistant to tension power in the text?

Intermediated Filaments Signup and view all the answers

Where are keratin filaments rich in sulfur bridges typically found?

In epithelial tissues Signup and view all the answers

Where are vimentin filaments commonly found?

In phagocytes Signup and view all the answers

Which type of cell is NOT mentioned in the text as containing vimentin filaments?

Red blood cells Signup and view all the answers