Thyroid hormone is to amphibian metamorphosis as this compound is to insect molting.
A. estogen
B. aldosterone
C. ecdysone
D. cortisol
E. butterfly peptide
C. ecdysone
Biology & Microbiology
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A chicken cell, which has 78 chromosomes, undergoes mitosis. How many chromosomes
does each sister chromosome contain at the end of this process?
a. 78 b. 39 c. 156 d. cannot be determined
Biology & Microbiology
Treatment for diphtheria requires only penicillin or erythromycin.
Answer the following statement true (T) or false (F)
Biology & Microbiology
All organisms fit into one of the two following categories. What two categories are these?
a. consumers and decomposers
b. producers and decomposers c. producers and consumers d. scavengers and detritivores e. consumers and scavengers
Biology & Microbiology
________ is a measure of the randomness or disorder of a system.
A. Free energy B. Enthalpy C. Entropy D. Synergy
Biology & Microbiology