What part of the axon is called the trigger zone?
A. Terminal arborization
B. Synaptic knob
C. Myelin sheath
D. Axon hillock
Answer: D
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The hormone that is the basis for a pregnancy test is ________.
A) human placental lactogen (hPL). B) relaxin. C) progesterone. D) human chorionic gonadotropin (hCG). E) LH.
Which of the following statements about ATP is false?
A) ATP drives the transport of certain solutes (e.g., amino acids) across cell membranes. B) ATP activates contractile proteins in muscle cells so that cells can shorten and perform mechanical work. C) ATP provides the energy needed to drive energy-absorbing chemical reactions. D) ATP is a modified nucleotide. E) The phosphate groups of ATP are attached by high-energy hydrogen bonds.
Which hormone inhibits bone growth?
A. Calcitonin B. Estrogen and testosterone C. Thyroid hormone D. Parathyroid hormone E. Growth hormone
Which connective tissue type provides insulation?
A) dense regular connective tissue B) fluid connective tissue C) adipose tissue D) dense irregular connective tissue E) areolar tissue