Hydropower can have an affect on
a. water pollution.
b. soil erosion.
c. deforestation.
d. river and ocean life.
e. mineral leaching.
D
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In eukaryotes, ____ regulation is the first level at which gene expression is controlled
a. transcriptional b. translational c. posttranscriptional d. posttranslational e. replicative
Translation begins when the initiator tRNA binds to
a. the large ribosomal subunit. b. the small ribosomal subunit. c. the second tRNA. d. the terminator codon. e. the first codon of the mRNA.
Which of the following is not one of the Earth's environmental reservoirs for essential elements?
a. All are reservoirs b. Rocks c. Water d. Atmosphere e. Sediments
Which of the following is eliminated in rapidly dividing embryonic cells that get smaller with each cell division?
A) G1 phase B) S phase C) G2 phase D) M-phase chromosome separation E) M-phase cytokinesis