Which statement is most useful in explaining why chemists assign atoms to chemical elements by counting protons?
What will be an ideal response?
None of these. Elements are defined by the number of protons.
Anatomy & Physiology
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Which of the following might serve as a secondary pacemaker for the heart?
A. Purkinje fibers B. AV node C. Neither AV node nor Purkinje fibers D. Both AV node and Purkinje fibers
Anatomy & Physiology
After aerobic glycolysis, phosphate molecules produced are stored in skeletal muscle as creatine phosphate.
Answer the following statement true (T) or false (F)
Anatomy & Physiology
What effect will hyperventilation have on the blood carbon dioxide level?
Anatomy & Physiology
Which is NOT a basic method of cell-to-cell communication?
A) mechanical signals B) cytoplasmic transfer of signals C) nerve and blood-transported signals D) contact-dependent signals E) diffused chemical signals
Anatomy & Physiology