What cellular structures are most closely associated with vaults?
A. nuclear pores
B. peroxisomes
C. lysosomes
D. mitochondria
E. gap junctions
A
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The magnesium atom has 2 electrons in its outer energy level and is willing to donate both of them. The sodium atom has 7 electrons in its outer energy level and will accept 1 electron. The chemical formula for the compound formed by magnesium and sodium would be
a. Mg2Na b. MgNa2 c. Mg2S d. MgS2
The presence of protein in the urine is called ________.
What will be an ideal response?
The hymen is located
A. at the external urethral sphincter. B. near the vaginal orifice. C. near the fundus of the uterus. D. at the cervix. E. at the superior end of the vagina.
Which of the following substances is an element?
A. Sodium chloride B. Iron C. Glucose D. Water