Protons and electrons exist in every atom nucleus except hydrogen. Is this statement true or false and why?
What will be an ideal response
False. Hydrogen has one proton and one electron. It is the neutron, not the electron that can coexist in the nucleus and that hydrogen does not have.
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The term "diarthrosis" refers to a joint that is
A. immobile. B. freely mobile. C. fused. D. slightly mobile. E. dislocated.
In this stage of cancer, no spread from the origin is present.
A. Stage 1 B. Stage 2 C. Stage 3 D. Stage 4
Measurement of arterial pressure using a sphygmomanometer is possible because turbulent blood flow that occurs as arterial pressure overcomes a partially occluded artery and can be heard by a stethoscope placed just over the artery
Indicate whether the statement is true or false
Put the following events of excitation-contraction coupling in the order in which they occur.
1. Excitation 2. Sarcomere shortening 3. Generation of muscle tension 4. Neural control 5. Contraction cycle begins 6. Release of calcium ions