The following phylum is characterized by having a hydrostatic skeleton:
a. Mollusca.
b. Annelida.
c. Cnidaria.
d. Porifera.
e. Platyhelminthes.
B
Biology & Microbiology
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The language of nucleic acids is converted to the language of amino acids during the process known as ____
Some help with this one please? Thank you.
Biology & Microbiology
The class of macromolecules that are primarily responsible for catabolic and anabolic activities in a cell are the
A. nucleic acids B. proteins C. lipids D. carbohydrates
Biology & Microbiology
Four of the five blood cell types listed below share a
common origin. Select the exception. a. neutrophil b. megakaryocyte c. lymphocytes d. monocyte e. basophil
Biology & Microbiology
The second structure encountered in a biopsy of the
digestive tract is the a. mucosa. b. submucosa. c. longitudinal muscle layer. d. circular muscle layer. e. serosa.
Biology & Microbiology