The rasping tongue, the radula, is present in which molluscan group?
A. bivalve
B. oyster
C. clam
D. snail
E. scallops
D. snail
Biology & Microbiology
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Where do the reactions of cellular respiration occur?
A) in the nucleolus of the nucleus B) in the ribosomes of the rough endoplasmic reticulum C) in the matrix of the mitochondria D) in the hydrophobic core of the plasma membrane
Biology & Microbiology
Saliva contains ________, an enzyme that begins the chemical digestion of starch.
A) salivary glands B) ducts C) salivary amylase D) mucus
Biology & Microbiology
Fish breathe using ________ while amphibians and reptiles breathe using ________.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
The opening that light passes through as it enters a single-lens eye is termed the
A. pupil. B. retina. C. sclera. D. aqueous humor. E. iris.
Biology & Microbiology