In a molecule of nitrogen, three pairs of electrons are shared by two nitrogen atoms. The type of bond that is formed is an example of a ________ bond
A) single trivalent
B) double divalent
C) triple covalent
D) polar covalent
E) hydrogen
C
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A synarthrotic joint would have
A. high mobility and high stability. B. high mobility and low stability. C. low mobility and low stability. D. low mobility and high stability.
Which part of the reflex arc is associated with interneurons?
a. sensory receptor b. afferent pathway c. integrating center d. efferent pathway e. effector
How does the synthesis of proteins that are destined to be secreted differ from that of proteins destined to remain inside the cell?
A. Genes for proteins with functions inside the cell are located in the cytoplasm. B. Only proteins destined for secretion need transfer RNA to be synthesized. C. Proteins destined to be secreted are synthesized on free ribosomes. D. Proteins destined to be secreted are packaged into secretory vesicles in the granular endoplasmic reticulum. E. Proteins destined to be secreted have a signal sequence.
Ketoacidosis results from the incomplete breakdown of ________
A) fats B) proteins C) glycogen D) nucleic acids E) cholesterol