Which of the following connective tissue cells produces collagen?
A) adipocytes
B) fibroblasts
C) macrophages
D) mast cells
E) lymphocytes
Answer: B
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Enzymes that remove phosphate groups from their substrates are called __________
Fill in the blank with correct word.
Which substance is not reabsorbed by the proximal convoluted tubule?
A. Glucose B. Sodium C. Water D. Potassium E. Creatinine
Hydrolysis of glycogen will have what effect on blood glucose level?
A. No effect on blood glucose level B. Increase blood glucose level C. Decrease blood glucose level
Which of the following statements about norepinephrine is FALSE?
A. Norepinephrine is a neurotransmitter. B. Norepinephrine binds to adrenergic receptors. C. Norepinephrine is a catecholamine. D. Dopamine is a precursor to norepinephrine. E. Epinephrine is a precursor to norepinephrine.