Learned behavior is recognizable by the __________
the animal makes in its responses.
a. fixed action patterns
b. modifications
c. stereotyping
d. repetitions
e. false starts
Answer: b
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Which of the following products are considered final products in the information flow within a cell?
A) DNA B) RNA C) protein D) lipid E) both choices B and C
Which of the following hormones stimulates uterine contractions during the birth process in mammals?
A. oxytocin B. testosterone C. FHS D. chorionic gonadotropin E. LH
In saltatory conduction, the membrane is depolarized only in the region of the myelin sheath
____________________ Indicate whether the statement is true or false.
First line of defense may be described as
A) the release of prostaglandins and leukotrienes in response to microbes. B) intact skin, mucous membranes, sebum, tears, and so forth. C) damage resulting in cell lysis. D) the coating of a pathogen by complement. E) nonspecific leukocytes that secrete toxins onto the surface of virally infected cells.