Quiz8_answerkey

Quiz8_answerkey - dynamic instability____. 4. Phallodin and...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Quiz 8 Name:__________________________________ Cell Biology Dr. Sarah Rothschild Honor Pledge (sign):________________________________ 1. List the 3 elements of the cytoskeleton, from smallest to largest: Actin, intermediate filaments, microtubules 2. Lamins disassemble when they are (phosphorylated/dephosphorylated), and reassemble when they are (phosphorylated/dephosphorylated). phosphorylated, dephosphorylated 3. The tendency of microtubules to polymerize when bound to GTP and depolymerize when bound to GDP is referred to as _________
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: dynamic instability____. 4. Phallodin and cytochalasin are two drugs that act on actin filaments. What effect does each drug have on actin polymerization? Phalloidin binds to and stabilizes actin filaments Cytochalasin caps the + end of actin filaments 5. ____ topomyosin___________ blocks myosin-II heads from binding to actin filaments, and is shifted when _____ troponin __________ binds to Ca 2+ , allowing muscle contraction to occur....
View Full Document

Ask a homework question - tutors are online