The bond between the actin and myosin head is broken when...

What will be an ideal response?


an ATP molecule binds to the myosin head

Anatomy & Physiology

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Many plant pigments can be used as colorimetric tests for changes in ________.

A. pH B. sodium ion (Na+) concentration C. carbohydrate concentration D. temperature E. water purity

Anatomy & Physiology

Which layer of the epidermis contains the greatest concentration of keratin?

a. stratum granulosum b. stratum corneum c. stratum basale d. stratum spinosum

Anatomy & Physiology

Which would be true about the following reaction?  M + N  ? Y + Z

A. Adding a catalyst would alter the final concentrations of products and reactants at equilibrium. B. Both: the reaction is reversible and at chemical equilibrium AND increasing the concentration of M will drive the reaction to the left are correct. C. Because the reactants and products are different molecules, this is not a reversible reaction. D. Starting at chemical equilibrium, increasing the concentration of M will transiently increase the rate of formation of Y and Z. E. Starting at chemical equilibrium, decreasing the concentration of M will increase the concentration of Y and Z.

Anatomy & Physiology

A fever __________ reproduction of bacteria and ___________ CAMs on the endothelium of capillaries of lymph nodes

A.   stimulates; increases B.   stimulates; decreases C.   inhibits; increases D.   inhibits; decreases

Anatomy & Physiology