Answer the following questions true (T) or false (F)

1. Sponges were the earliest animals to evolve true tissues.

2. Asymmetry refers to arrangement of body parts evenly around a central point.

3. Platyhelminthes is the first phylum to possess a coelom.


1. FALSE
2. FALSE
3. FALSE

Biology & Microbiology

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Rho GTPases have the all of the following effects on cytoskeletal actin except

A) stress fiber formation. B) formation of pseudopodia. C) stabilization of neurons. D) assembly of the cytokinetic furrow. E) regulation of endocytosis and exocytosis.

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Mutations in ____________________ cells will be passed on by cell division, but cannot be transmitted to future generations

Fill in the blank(s) with correct word

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The members of the ____ subphylum have a three-part body plan: a head, thorax, and abdomen

a. Myriapoda b. Trilobita c. Chelicerata d. Hexapoda e. Crustacea

Biology & Microbiology

Which human organ is responsible for breaking down ethanol and other toxins?

a. stomach b. liver c. small intestine d. pancreas e. spleen

Biology & Microbiology