Which of the following lineages contains all of the other lineages in the list?
a. Tetrapoda
b. Amniota
c. Gnathostomata
d. Vertebrata
Answer: d. Vertebrata
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Thyroxine, the primary hormone produced by the thyroid, contains what element?
a. selenium b. chromium c. vanadium d. iodine e. manganese
Which of the following statements about plant hormones is false?
a. They are organic compounds that act as a highly specific chemical signal. b. They are effective in extremely small amounts. c. They elicit many different responses. d. They stimulate a response at one concentration and inhibit that same response at a different concentration. e. They can be categorized into seven major classes.
Steroid hormones are lipid soluble and diffuse through the plasma membrane into a cell
Indicate whether the statement is true or false
Humans are the reservoir for Borrelia hermsii.
Answer the following statement true (T) or false (F)