Select the pair in which the nitrogenous waste is INCORRECTLY matched with the benefit of its excretion.
A. urea: low toxicity relative to ammonia
B. uric acid: can be stored and excreted as a precipitate
C. ammonia: very soluble in water
D. uric acid: minimal loss of water when excreted
E. urea: very insoluble in water
E. urea: very insoluble in water
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When X-linked traits are recessive, females will express the traits only if they are ____ for the recessive allele
Fill in the blank with the appropriate word.
Select the hormone that is NOT involved in crustacean molting
a. molt-inhibiting hormone b. juvenile hormone c. brain hormone d. ecdysone e. molt-stimulating hormone
Cytotoxic T cells produce ____
a. cytokines b. antibodies
c. plasma cells d. chemicals that cause apoptosis e. histamine
Which root part is involved in food storage?
A. dermal tissue B. ground tissue C. vascular cylinder D. root cap