Which of the following is NOT an intermediate filament?   A. keratin   B. titan   C. nuclear lamin   D. vimentin

2. Name one protein that is part of the sliding filament theory

20.The thick filament is composed almost entirely of _____ molecules. (This is a multiple choice question choose the answer from the choices below) A.myosin B.actin C.tropomyosin D.thrombin

Cellular organization (e.g. movement of organelles) is facilitated by __________. Cells are capable of resisting mechanical stress due to the presence of _________. Select one: a. microtubles, intermediate filaments b. actin, microtubules c. actin, intermediate filaments d. microtubles, actin e. intermediate filaments, actin Clear my choice

Please explain how an intermediate filament is similar and different in a normal skin cell while in a dry skin cell, dividing cell and normal skin tissue

Some muscle cells contain several nuclei per cell. Which of the following provides the most likely explanation for the way in which these cells came to have more than one nucleus? A B с D They underwent repeated mitosis simultaneously with cytokinesis. They underwent repeated mitosis but not cytokinesis. They underwent multiple S phases before entering mitosis. They underwent repeated cytokinesis but not mitosis.