It has since been discovered that many plants synthesize molecules that destroy the corpora alata, the structures responsible for synthesis of juvenile hormone. How do levels of juvenile hormone disrupt the insect life cycle?
A. Exposure to juvenile hormone prevents the
larvae from developing into adult insects.
B. Exposure to juvenile hormone causes
juvenile insects to die.
C. Excess juvenile hormone causes insects
to molt prematurely.
D. Exposure to juvenile hormone prevents
molting.
C
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Which of the following tests is an agglutination test for the bacterium causing typhoid fever?
A. Widal test B. IMViC C. Quellung reaction D. API 20E system
Most cultivated bananas are triploid. How could these be generated from diploid parent banana plants?
A. nondisjunction in mitosis followed by normal fertilization B. All of these answer choices are different options for creating triploid cells. C. fertilization of a haploid egg by a haploid sperm D. fertilization of a diploid somatic cell by a haploid sperm E. nondisjunction in meiosis followed by normal fertilization
The ________ of a population describes its spatial location, the area over which it occurs
Fill in the blank(s) with correct word
Infectious disease and parasites that affect population size are ____
a. carrying capacities b. replacement factors c. density-dependent controls d. density-limiting controls e. density-independent controls