Which of the following cytoskeleton are involved in determination of cell shape and integration of cellular components?
a) microtubules
b) intermediate filaments
c) glyoxisomes
d) microfilaments
Which of the following are long, unbranched slender tubulin protein structures?
a) microfilaments
b) microtubules
c) intermediate filaments
d) both a and b
Which of the following is the important function of microtubules?
a) determination of cell shape
b) integration of cellular components
c) assembly and disassembly of spindle structure
d) all of these
Which of the following cytoskeletons are considerably more thin cylinders made up of contractile actin proteins and linked to the inner face of plasma membrane?
a) microfilaments
b) microtubules
c) intermediate filaments
d) both a and b
Which of the following cells have two centrioles located near the surface of the nucleus?
a) animal cells
b) some microscopic organisms
c) lower plants
d) all of these
Explanation: centrioles are absent in higher plant cells
What is the diameter of a centriole?
a) 0.1nm
b) 1.0µm
c) 0.2nm
d) 2.0µm
Explanation: 0.3-0.5µm long
