Most oxygen is transported in the blood bound to __________.
A. the plasma membrane of erythrocytes
B. alpha chains in hemoglobin
C. beta chains in hemoglobin
D. delta chains in hemoglobin
E. heme groups in hemoglobin
E. heme groups in hemoglobin
You might also like to view...
Communication between axons and muscle fibers occurs at specialized synapses called
A) nervous units. B) synaptic terminals. C) motor end plates. D) motor units. E) neuromuscular junctions.
Which of the following descriptions best matches the term gastrin?
A) where pancreatic juice and bile enter duodenum B) carries absorbed sugars and amino acids C) stimulates pancreas to secrete bicarbonate-rich fluid D) causes gallbladder to contract E) stimulates gastric secretion
Muscle tissue is characterized by its
A. durability. B. avascularity. C. contractility. D. rigidity. E. strength.
You would normally expect to find ____________________ lining blood vessels.
A) simple squamous epithelium B) simple cuboidal epithelium C) stratified squamous epithelium D) transitional epithelium E) simple columnar epithelium