The atomic number of sodium is 11 while the atomic mass number is 23. Which of the following is NOT true of an atom of sodium?
A) 11 protons
B) 8 electrons in the valence shell of a neutral sodium atom
C) 11 neutrons
D) 11 electrons
E) 1 electron in the valence shell of a neutral sodium atom
C
Anatomy & Physiology
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Fill in the blank with the correct word.
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Fusion of the male and female pronuclei forms the ________.
A. blastocyst B. gastrula C. morula D. zygote E. trophoblast
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This figure shows an anterior view of the spinal cord and meninges. What structure does number 1 indicate?
A. Posterior root B. Posterior root ganglion C. Anterior root ganglion D. Anterior root E. Gray commissure
Anatomy & Physiology
The energy value of foods is measured in units called ________
A) BMI B) Hertz C) kilocalories (kcal) or Calories D) Joules
Anatomy & Physiology