Explain the function of ATP in muscle contractions
What will be an ideal response?
ATP binds to the myosin heads, allowing the myosin heads to disengage from the actin. The myosin heads split the ATP molecules and store the energy, which allows the myosin heads to swivel in preparation to form the cross-bridges.
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Which of the following countries has the smallest amount of raw materials and sources of energy?
A) United States B) Canada C) Russia D) Japan E) Australia
Sludge
A. is a byproduct of sewage treatment. B. may be a source of pollution. C. takes up space in a landfill. D. All of the choices are correct.
A marine fish with a cold body temperature that matches its cold surroundings is an example of rev
A. negative feedback. B. regulating. C. conforming. D. conditioning.
In transduction, bacterial cells ____
a. take up pieces of DNA that are released as other cells disintegrate b. receive DNA from an infecting phage c. replicate DNA molecules d. make replicate copies of one another e. generate their own DNA