The simplest hypothesis for the original function of Hox genes is that they were expressed in the ________ [two words] in early animals
Fill in the blank(s) with correct word
nervous system
Biology & Microbiology
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The RNA polymerase enzymes of the Archaea are more similar to eukaryotic enzymes than to bacterial enzymes.
Answer the following statement true (T) or false (F)
Biology & Microbiology
Which of these is NOT a step in transcription?
A) replication B) initiation C) termination D) elongation
Biology & Microbiology
The circular muscles that control the movement of materials from one digestive system structure to the next are called ________.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
Contact transmission may occur indirectly when a nonliving intermediate called a _______ is involved
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology