What is the correct sequence of the cycle of structural changes used by myosin II to walk along an actin filament?

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#Question id: 148

#Unit 1. Molecules and their Interaction Relevant to Biology

The pKa of a certain weak acid is 4.0. Calculate the ratio of proton acceptor to proton donor at pH 7.0.

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#Question id: 11773

#Unit 10. Ecological Principles

Which of the following organisms exhibits a pattern of parity quite different from the others?

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#Question id: 23713

#Unit 8. Inheritance Biology

Many characteristics vary continuously along a scale of measurement with many overlapping phenotypes referred to as,

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#Question id: 14765

#Unit 2. Cellular Organization

Following statements are regarding to the formins which involve in filament assembly.

A. All formin family members have two adjacent domains in common, the so called FH1 and FH2 domains (formin-homology domains 1 and 2).

B. Two FH2 domains from two individual formin monomers associate to form a doughnut-shaped complex can form a dimer and nucleate filament assembly.

C. The FH1 domain of formin is rich in proline residues, which serve as sites for the binding of several profilin molecules.

D. The FH2 domain behaves as a landing site for profilin–ATP–G-actin to increase the local concentration of these complexes.

E. Formins are activated by membrane bound Rho-GTP, a Ras-related small GTPase.

Which of the following combination is correct?

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#Question id: 5455

#Unit 8. Inheritance Biology

Inheritance of skin colour in humans is an example on