__________ is a concentration of nerves and sensory

structures at the head end. Fill in the blank(s) with the appropriate word(s).


Answer: Cephalization

Biology & Microbiology

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If the decolorizer is not left on long enough in the Gram-staining procedure, gram-positive organisms will be stained ________ and gram-negative organisms will be stained ________.

A. purple; colorless B. purple; purple C. purple; pink D. pink; pink

Biology & Microbiology

Segmentation in arthropods differs from that of annelids because arthropod segments are:A

smaller. B. less specialized. C. only present in adults. D. more specialized. E. only present in larvae.

Biology & Microbiology

Hearing loss results from prolonged exposure to sound over ________

A) 85 dB B) 100 dB C) 60 dB D) This has not yet been determined.

Biology & Microbiology

The cell below is in



A. prophase.
B. telophase.
C. anaphase.
D. metaphase.

Biology & Microbiology