Indicate true (T) and false (F) statements below regarding the cell cytoskeleton. Your answer would be a four-letter string composed of letters T and F only; e.g. TTFF.
( ) The three major building blocks of cytoskeletal filaments can bind to and hydrolyze nucleotides.
( ) The building blocks of microfilaments and microtubules are globular proteins, whereas those of intermediate filaments are themselves filamentous proteins.
( ) Intermediate filaments are typically thicker than actin filaments but thinner than microtubules.
( ) Plant cells lack microtubules.

Question

Indicate true (T) and false (F) statements below regarding the cell cytoskeleton. Your answer would be a four-letter string composed of letters T and F only; e.g. TTFF.
( )	The three major building blocks of cytoskeletal filaments can bind to and hydrolyze nucleotides.
( )	The building blocks of microfilaments and microtubules are globular proteins, whereas those of intermediate filaments are themselves filamentous proteins.
( )	Intermediate filaments are typically thicker than actin filaments but thinner than microtubules.
( )	Plant cells lack microtubules.

Quizplus · Accepted Answer

Actin and tubulin are globular proteins capable of nucleotide triphosphate binding and hydrolysis and are found in all eukaryotes. The intermediate filaments, on the other hand, are made of filamentous subunits and are not as well conserved. Their thickness is intermediate between that of the other two cytoskeletal filaments.

Indicate True (T) and False (F) Statements Below Regarding the Cell