The largest lymphatic duct, which runs along the anterior vertebral column, is the ______.
What will be an ideal response?
thoracic duct
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Even to a well-trained microbiologist, isolates of Streptomyces when grown on a nutrient agar plate can appear as though they are fungi
Describe key similarities of how these two unrelated groups can so easily be mistaken for each other, and then propose methods to conclusively distinguish between them. What will be an ideal response?
Which of the following statements is true?
a. Although hormones are carried to all parts of the body, they produce effects only in cells with proper receptors. b. Hormones are limited to steroid compounds. c. Hormones are secreted by specialized exocrine glands. d. Most hormones are controlled by positive feedback mechanisms involving the pituitary gland. e. Target cell response to the secretion of a hormone is as rapid as an effector response in the nervous system.
In flowering plants, pollen represents the
A) zygote. B) haploid stage. C) diploid stage.
A product purchased from a drug store guaranteed to kill or inhibit bacteria on skin is best described as a(n)
a. sanitizer. b. antiseptic. c. disinfectant. d. sterilant.