Small RNAs can regulate gene expression. One type, called micro RNA (miRNA), acts by binding directly to
A. mRNA to prevent transcription.
B. tRNA to prevent transcription.
C. mRNA to prevent translation.
D. tRNA to prevent translation.
Answer: C
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___________ and ___________ are structures formed in the fruiting bodies of dikaryotic (n+n) fungi that produce spores
A. Basidia; asci B. Basidia; septa C. Septa; asci D. Basidia; chitins E. Chitins; asci
Which of the following groups of biomes is listed in order of greatest to lowest evapotranspiration ratio?
A. rain forest, deciduous forest, desert B. desert, deciduous forest, rain forest C. deciduous forest, desert, rain forest D. desert, rain forest, deciduous forest E. deciduous forest, rain forest, desert
Dietary fiber
a. raises blood cholesterol levels. b. speeds up transit time for food through the digestive tract. c. causes diverticulosis. d. causes constipation.
________ is the process that a cell can use to bring very large molecules into the cell
Fill in the blank(s) with correct word