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Which of the following is a common feature of all hormones?
A) Hormones act as a chemical signal between cells.
B) Hormones are proteins.
C) Hormones enter a cell, bind to a receptors, and interact with DNA.
D) Hormones are produced in response to stress.
E) Hormone levels are controlled by the pituitary gland.

The hypothalamus controls the anterior pituitary by means of ____________.
A) third messengers
B) second messengers
C) antibodies
D) cytokines
E) releasing hormones

Which of the following statements is correct?
A) Receptors for steroid hormones are located inside target cells
B) Many hormones elicit more than one type of response in the body.
C) Local regulators are signals that link neighboring cells.
D) The series of changes in cellular proteins that convert the extracellular signal to a specific intracellular response is called signal transduction.
E) All of the above statements are correct.

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