A lawsuit, filed in 2009, challenged the idea that genes can be ____________________. Fill in the blank(s) with the appropriate word(s)
patented
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Write the letter of the event that happens first in the development of song in male zebra finches next to
1. Sequence the following events, with the final event in the pathway written next to 6.
A. structure and function of neurons are changed B. neurons anticipate key acoustical events C. a territory owner habituates to the sound of his singing neighbor D. exposure of hatchling to its species' song E. an enzyme is produced F. zenk is activated 1. 2. 3. 4. 5. 6.
Which mechanism(s) of obtaining energy and nutrients are only present in bacteria and archaea, but not eukaryotes?
a. photoautotrophs b. chemoautotrophs c. photoheterotrophs d. chemoheterotrophs e. chemoautotrophs and photoheterotrophs
Synaptic vesicles are synthesized in the nerve ________
Fill in the blank with correct word.
Which of the following is the binding site for RNA polymerase on the DNA molecule?
A. Structural genes B. Repressor genes C. Promoter sequence D. Operator sequence E. The region between an operator and the first structural gene