In eukaryotic organisms, the processing of the 45S rRNA into 5.8S, 18S, and 28S rRNA occurs where?
A. In the cytoplasm
B. In the nucleolus
C. In the endoplasmic reticulum
D. In the Golgi body
E. Throughout the cell
B
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A cell is minimally defined by ____
a. a nucleus that contains DNA b. an organized chemical system and specialized molecules surrounded by a membrane c. an organized chemical system for harnessing energy d. a membrane comprised of phospholipids e. specialized molecules that respond to their environment
In multicellular species, fungal spores germinate and give rise to filaments called __________. Fill in the blank(s) with the appropriate word(s)
Usually the only epidermal cells with chloroplasts are:
a. stomata. b. stoma. c. parenchyma. d. guard cells. e. all of these.
A nursing baby:a
lacks cell mediated immunity. b. lacks antibody mediated immunity. c. lacks an adaptive immune response. d. receives active immunity via the breast milk. e. receives passive immunity via the breast milk.