Figure Q2-10 shows an interpretive drawing of a microtubule moving rightward on a glass slide to which a substance purified from squid axoplasm had been immobilized, in the presence of ATP. 
Figure Q2-10
A. What is the substance that was purified that allows movement of the microtubule?
B. What would happen if a non-hydrolyzable form of ATP was added to the solution?
Definitions:
Benefits Principle
A taxation principle that charges individuals based on the benefits they receive from public services.
Gasoline Tax
A levied tax on gasoline sales, often used to fund transportation projects and environmental initiatives.
Benefits Principle
A taxation principle that suggests taxes should be levied according to the benefits received by the taxpayer from governmental services.
Security Fee
A charge imposed to cover the cost associated with ensuring the safety and security of a service or facility.
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