Although similar in function, the eukaryotic ribosome is generally smaller and more complex than bacterial and archaeal ribosomes.
Answer the following statement true (T) or false (F)
False
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Estradiol is an example of _____
A) an androgen B) an estrogen C) a progestin D) a catecholamine E) a glucocorticoid
The wet mount and Gram stain of vaginal secretions from a patient who has bacterial vaginosis caused by Gardnerella vaginalis will reveal large:
a. squamous epithelial cells with numerous attached pleomorphic gram-variable or gram-negative coccobacilli and rods. b. numbers of large gram-positive rods. c. numbers of polymorphonuclear leuko-cytes. d. pleomorphic gram-negative rods with many leukocytes.
The energy that excites the photosystems is supplied by
A) electrons passing down the electron transport chain. B) ATP. C) photons. D) NADPH.
If an environment is acidic, is its pH lower than, equal to, or greater than 7?
A. The pH is greater than 7. B. The pH is lower than 7. C. The pH is equal to 7. D. The pH is lower than or equal to 7.