Which protein classes are not found as membrane proteins?
A. identity markers
B. receptors
C. enzymes
D. transport channels
E. hormones
Answer: E
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A patient who has an existing heart condition has dental surgery but neglects to inform her dentist of this disorder. She later develops endocarditis as a consequence of the procedure. Which of the following organisms most likely caused endocarditis?
a. Escherichia coli b. Staphylococcus aureus c. Streptococcus mutans d. Pseudomonas aeruginosa
The muscular tube leading from the pharynx to the stomach is the
A. larynx. B. trachea. C. esophagus. D. glottis. E. bronchus.
What type of RNA carries the information that specifies a protein?
a. transfer RNA b. ribosomal RNA c. messenger RNA d. double-stranded RNA e. complementary RNA
The hormone that induces contractions that lead to birth is ____
A. estrogen D. melatonin B. prostaglandin E. progesterone C. oxytocin