Which part of the lac operon is cis-dominant?
What will be an ideal response?
lacO
Biology & Microbiology
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Most of Europe is in the ______ biome.
A. high mountain B. taiga C. temperate deciduous forest D. tundra E. None of the choices are correct.
Biology & Microbiology
Which tRNA anticodon sequence is the correct match to the mRNA codon listed below? Note: codon-anticodon base-pairing is antiparallel. 5'-CGA-3'
A) 3'-CGA-5' B) 3'-TCG-5' C) 3'-GCT-5' D) 3'-GCU-5'
Biology & Microbiology
Oxygen crosses a plasma membrane
A) by osmosis. B) through simple diffusion. C) with the help of a nonspecific transporter. D) through facilitated diffusion. E) through porins.
Biology & Microbiology
Organisms that require high levels of sodium chloride in order to grow are called ________ organisms.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology