If the set point of the hypothalamus were to suddenly rise to 40°C (as in the induction phase of a fever), what would the initial response of the body be?

A. Glands release sweat
B. Blood vessels dilate
C. Nothing
D. Muscles contract to cause shivering
E. Body temperature drops


Answer: D

Biology & Microbiology

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Answer the following statements true (T) or false (F)

1. Territory marking is common in canids and felines. 2. Operant conditioning proceeds through trial and error. 3. Worldwide human population growth has been exponential since the Industrial Revolution. 4. According to the demographic transition model, a population's death rates decline before its birth rates.

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The portion of the DNA molecule that is

translated is composed of a. introns. b. anticodons. c. exons. d. transcriptions. e. exons and transcriptions.

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If an individual with a dominant phenotype is crossed with an individual with a recessive phenotype, 4 of their 9 offspring show the recessive phenotype. What is the genotype of the first parent?

A. AA B. aa C. Aa D. The answer cannot be determined from this information.

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In a water molecule, because oxygen is more electronegative than hydrogen, the shared electrons are more commonly

found around the ____ nucleus than the ____ nucleus. a. oxygen; hydrogen b. hydrogen; oxygen c. hydrogen; other hydrogen d. oxygen; nitrogen e. nitrogen; oxygen

Biology & Microbiology