The most durable element of the cytoskeleton in animal cells is a system of tough, fibrous protein molecules twined together in an overlapping arrangement?

What will be an ideal response?


Intermediate filaments

Biology & Microbiology

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According to research done by Baron, Caughey, and Prado, how do prions move within the brain?

a. They use receptors on the surfaces of nerve cells. b. They use vesicles found inside the nerve cells. c. They use tunneling nanotubes. d. They pinch off the nerve cell membrane. e. They stick to the outer surfaces of nerve cells.

Biology & Microbiology

What is the term for swelling, due to accumulation of lymphatic fluid?

a. angina b. edema c. engorgement d. vasoconstriction e. vasodilation

Biology & Microbiology

Which of the following is an INCORRECT pairing?

A. viruses, acellular B. prokaryotes, no nuclei C. protozoa, multicellular D. fungi, cell wall

Biology & Microbiology

Long chain carbohydrates such as glycogen are composed of many single units of:

A) monosaccharides. B) nucleotides. C) amino acids. D) fatty acids. E) glycerol.

Biology & Microbiology