All target cells
A) have hormone receptors.
B) can respond to chemical signals.
C) secrete hormones.
D) have hormone receptors and can respond to chemical signals.
E) secrete hormones and have hormone receptors.
Answer: D
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What structural components of the membrane are labeled (C) in the diagram?
a) peripheral proteins b) cholesterol molecules c) pores d) integral proteins e) phospholipids
What is the terminal portion of the small intestine?
A. Cecum B. Duodenum C. Ileum D. Jejunum E. Pylorus
In an adult, the proximal portions of the umbilical arteries persist and supply
blood to the _____ _____. Fill in the blank(s) with correct word