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