Which of the following is NOT an action of the sympathetic nervous system?
a. to dilate the bronchioles
b. to stimulate saliva production
c. to increase heart rate
d. to increase blood pressure
e. to inhibit penile erection
ANSWER: b
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Wheat is a group of grass species that originated in the eastern Mediterranean and are now cultivated worldwide. In comparing wheat to other organisms, how would you evaluate the success of this species on the planet?
A. Examine the diversity of environments in which it is found. B. Examine the total biomass of wheat present on the planet. C. Examine the amount of variation of its genome. D. Examine its ability to grow outside of an agricultural setting. E. All of the answer choices are correct.
When does a chromosome go from one chromatid to two sister chromatids?
A. during the G1 phase of interphase B. during the G2 phase of interphase C. during the S phase of interphase D. during mitosis E. during cytokinesis
In lettuce seeds, blue light initiates germination. If you measured hormone levels within the seed, which hormone would be produced upon exposure to blue light?
A) gibberellin B) ethylene C) abscisic acid D) cytokinins
Characteristic features of the herpesvirus used for diagnosis include the
A) presence of recurring lesions in the lip or genital regions. B) presence of syncytia in infected tissue. C) presence of recurring lesions in the lip or genital regions and syncytia in infected tissue. D) ability of the virus to be transmitted to neonates. E) presence of viruses intracellularly years after recovery from the infection.