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Chapter 4: Q.23 (page 125)

The key components of desmosomes are cadherins and__________.

a. actin

b. microfilaments

c. intermediate filaments

d. microtubules

Short Answer

Expert verified

The key components of desmosomes are cadherins and intermediate filaments.

Step by step solution

01

Explanation

Actin is an intracellular protein that aids in cell contraction as well as cell shape and structure regulation. So, option a is incorrect.

Microfilaments are made up of a protein named actin which helps in cell movement. Hence, option b is wrong as well.

They are the major component of the cytoskeleton which helps in cell movement, growth, and signaling. Option d is incorrect.

Desmosomes are made up of a network of cadherin proteins, linker proteins, and keratin intermediate filaments known as desmosome-intermediate filament complexes (DIFC). Thus, option c is correct.

02

Conclusion

Desmosomes are made up of cadherins and intermediate filaments which helps in organizing the internal structure of the cell.

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Most popular questions from this chapter

In plant cells, the function of the lysosomes is carried out by __________.

a. vacuoles

b. peroxisomes

c. ribosomes

d. nuclei

Peroxisomes got their name because hydrogen peroxide is:

a. used in their detoxification reactions

b. produced during their oxidation reactions

c. incorporated into their membranes

d. a cofactor for the organelles鈥� enzymes

Explain why not all microbes are harmful.

Which of the following have the ability to disassemble and reform quickly?

a. microfilaments and intermediate filaments

b. microfilaments and microtubules

c. intermediate filaments and microtubules

d. only intermediate filaments

In what situation(s) would a transmission electron microscope be ideal, and why?
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