Nephridia are ____.
A. circulatory organs
B. respiratory organs
C. excretory organs
D. endocrine organs
E. part of the nervous system
Answer: C
Biology & Microbiology
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A. true B. false
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a. True b. False
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There are two types of myofilaments. Thin filaments primarily consist of two intertwining strands of a protein called ______________
a. actin
b. chromatins
c. lamins
d. tubulins
e. lamellae
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Lactose intolerance is the inability to
A) produce milk proteins. B) produce lactose. C) digest cellulose. D) digest lactose.
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