A complex carbohydrate that consists of several repeating units of simple sugars is referred to as a _________
Fill in the blank with correct word.
polysaccharide
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What activates memory cells?
A) An encounter with an antigen B) An encounter with mast cells C) Cells that have undergone partial differentiation D) Stem cells
The IV bag is hung on an ________________
Fill in the blank(s) with correct word
Which of these would occur if the concentration of ATP were depleted in a typical nerve cell?
A. Resting membrane potential would become more negative. B. Resting membrane potential would become less negative. C. The concentration gradient for Na+ would remain the same. D. The resting membrane potential would eventually become positive inside with respect to outside. E. There would be no change in the resting membrane potential.
Which of the following correctly lists the steps of fracture repair in sequence?
A. A hematoma forms, granulation tissue and fibrocartilage develop, osteoclasts and phagocytes clear away debris, bony callus forms. B. A hematoma forms followed by formation of a bony callus that fibrocartilage replaces. C. A hematoma forms, osteoblasts arrive and produce new bone tissue, osteoclasts and phagocytes clear away debris, granulation tissue forms. D. Phagocytes clear away debris, osteoblasts remove damaged bone tissue, and a hematoma forms.