Epithelial cells with important transport functions such as absorption and secretion often bear __________ on their free surfaces.
Fill in the blank(s) with correct word
Ans: microvilli
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When young male white-crowned sparrows first begin to sing, they match their vocal output to ____
a. any birdsong they hear during their initial days of singing b. an instinctive blueprint of their species' song c. the memory of their species' song heard months earlier d. the memory of whatever song they heard during an early critical period e. the songs of male relatives heard during their initial days of singing
In meiosis homologous chromosomes align next to one another during
A. interphase I. B. metaphase II. C. prophase I. D. metaphase I. E. prophase II.
In what disease do the larvae cause pulmonary symptoms?
a) Hookworms b) Ascariasis c) Trichinellosis d) Pinworms
Select the incorrect statement related to fungi.
A. Some fungi are able to grow to many hectares in size. B. Some fungi can break down cellulose into its glucose subunits. In addition, some fungi are predaceous. C. Cheese, wine, and soy sauce are but a few examples of foods dependent on fungi for their production. D. All fungi secrete digestive enzymes and practice external digestion. E. One method of reproduction in fungi is by flagellated sperm. Water is a requirement for those particular fungi to reproduce.