The type of body cavity seen in the roundworms that develops between mesoderm and endoderm layers is a

A. pseudocoelom.
B. mantle.
C. coelom.
D. acoelom.


Answer: A

Biology & Microbiology

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Of the following areas on Earth's surface, which area moves fastest and has the greatest linear velocity?

A) North Pole (90° north) B) Tropic of Cancer (23.5° north) C) Tropic of Capricorn (23.5° south) D) Equator (0°)

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Neurons may be classified by their morphology (shape). Alpha motor neurons consist of 1 axon with many dendritic trees. Which type of morphology does this describe?

a. Multipolar b. Bipolar c. Pseudounipolar d. Interneuron

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Some prokaryotic cells move by the use of

What will be an ideal response?

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

1. An antigen is any foreign substance that elicits an immune response. 2. Macrophages and dendritic cells can both be antigen presenting cells. 3. Complement proteins are antibodies produced by skin cells.

Biology & Microbiology