Which molecule determines the fluidity of the plasma membrane?
A. Phospholipid
B. Cholesterol
C. Protein
Answer: B
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The surgical instruments were put in the ______________ to sterilize them for the next procedure
Fill in the blank(s) with correct word
What is the name of the immune cells that develop from B lymphocytes and secrete antibodies?
A) plasma cells B) killer T-cells C) memory T-cells D) helper T-cells
The intercalated discs in cardiac muscle tissue ________
A) attach cardiac muscle cells to the fibrous skeleton of the heart B) mark the junction between two cardiac cells C) are responsible for the banding pattern, or striations, of the tissue D) are responsible for the banding pattern, or striations, of the tissue, mark the junction between two cardiac cells, and attach cardiac muscle cells to the fibrous skeleton of the heart
What structures come off the trachea and enter the lungs?
A. Secondary bronchi B. Primary bronchi C. Alveoli D. Lobar bronchioles E. Pulmonary arterioles