Answer the following statements true (T) or false (F)
1. The symbol for a sodium atom that has lost one electron would be Na.
2. The symbol for a sodium atom that has lost one electron would be Na+.
3. Atom X has eight electrons, two in its first energy level and six in its second energy level. It would most likely form an ion with a plus 2 charge.
4. Covalent bonds do not usually dissociate in water.
5. Covalent bonds dissociate into ions when dissolved in water.
1. FALSE
2. TRUE
3. FALSE
4. TRUE
5. FALSE
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Which of the labeled structures in the diagram are composed of trabeculae, which are bony structures that lack osteons?
a) B b) C c) D d) F e) G
Components of the metencephalon include the
A) medulla oblongata. B) thalamus and cerebellum. C) cerebrum and cerebellum. D) cerebellum and pons. E) All of the answers are correct.
Which of the following does NOT contribute to basal metabolism?
A. Exercise programs B. Thermoregulation C. Plasma membrane transport D. Muscle tone E. Heart contractions
Which of the following is part of the spiral organ (organ of Corti)?
A. Tectorial membrane B. Modiolus C. Chorda tympani D. Vestibule E. Scala tympani