ATP splitting is much slower in smooth muscle, so cross-bridge activity and filament sliding occur about ten times more slowly in smooth muscle than in skeletal muscle
a. True
b. False
Indicate whether the statement is true or false
True
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What connects the pharynx to the trachea?
A. Bronchi B. Esophagus C. Alveolar ducts D. Nasal cavity E. Larynx
Stratified squamous tissue is an example of:
a. epithelial tissue b. connective tissue c. muscle tissue d. nervous tissue
This gland produces the hormone calcitonin
A) parathyroid B) pancreas C) thyroid D) pituitary
Which of the following is the last step in the process of fertilization?
A. A sperm fuses with the egg's plasma membrane. B. The capacitated sperm release their acrosomal enzymes to penetrate through the cells surrounding the egg. C. The sperm nucleus enters the egg, and the egg immediately prevents any further sperm from gaining access by forming a fertilization membrane that a sperm cannot penetrate. D. The nuclei of the sperm and egg rupture within the fertilized egg and the chromosomes mix to form a single nucleus.