Transcription of ribosomal RNA is primarily the function of
A) primase.
B) RNA polymerase I.
C) RNA polymerase II.
D) RNA polymerase III.
E) mitochondrial RNA polymerase.
Answer: B
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a. conserve water c. reproduce b. take up carbon dioxide d. stand upright
A/an _______ is defined as a collection of populations sharing a given habitat.
a) Biosphere b) Community c) Biome d) Ecosystem
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A) cytoplasm; mitochondria; plasma B) mitochondria; cytoplasm; plasma C) mitochondria; mitochondria; mitochondrial D) cytoplasm; mitochondria; mitochondrial E) cytoplasm; cytoplasm; plasma
Freshwater fish lose water by osmosis
a. true b. false