As a result of testing an experimental drip on a vertebrate cell, you notice that the cell cortex becomes more fluid, and
although the cell remains strong, it loses its ability to move. Based on this evidence, you correctly conclude that the drug
most directly affected:a.
myosin.
b. ?-tubulin.
c. ?-tubulin.
d. actin filaments.
e. intermediate filaments.
d
You might also like to view...
Why do phospholipids form sheet-like cellular membranes, despite being partly hydrophilic?
a. The modified phosphate group forms covalent bonds with adjacent phospholipids in a sheet-like configuration. b. Cellular membranes form at the water’s surface, with hydrophobic fatty acids extended into the air above. c. The long fatty acid chains weave together like a tapestry, pulling the phosphate groups together in sheets. d. Only the phosphate group can interact with water; fatty acids are forced together in the middle of double sheets.
There are 64 sense codons in the genetic code and 61 different types of tRNA molecules
Indicate whether the statement is true or false
Antipodals and synergids are
A. what will fuse to form the endosperm. B. nonfunctional vestigal structures. C. responsible for pollen tube formation. D. the result of double fertilization. E. produced in the female gametophyte.
What limits the frequency of the action potentials?
A. Refractory period B. Spike amplitude C. Chloride ions D. Nodes of Ranvier