The passage of an arthropod through stages from egg to adult is
A. differentiation.
B. evolution.
C. graduation.
D. metamorphosis.
E. succession.
D. metamorphosis.
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In honeybees, queen bees are haploid organisms while male drones are diploid
a. True b. False
The most important aspect of agar that makes it a useful ingredient for solidifying media for bacterial culture is
A. It provides an excellent carbon and energy source for bacteria. B. Bacteria are unable to break it down so it stays solidified. C. It melts at 100oC and solidifies at temperatures below 50oC. D. It provides an excellent nitrogen source for bacteria.
Yeast can grow ________
A) under aerobic conditions only B) under anaerobic conditions only C) under both aerobic and anaerobic conditions D) only in the presence of glucose and aerobically E) only in the presence of lactose and anaerobically
Endocrine function typically involves
A. coordinated activity of several hormones. B. single hormones responding to nervous stimulation. C. hormones being used in the immediate vicinity of their place of production. D. gland cells being transported to where they are needed.