Hormone messages are received by
A. neurotransmitters.
B. receptor molecules on target cells.
C. dendrites.
D. all body cells.
B. receptor molecules on target cells.
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Bioinformatic analysis of genomic nucleotide sequences using specialized software and high-speed computers make it possible to determine how proteins encoded by ORFs are post-translationally modified.
Answer the following statement true (T) or false (F)
After two months, Paine repeated the sampling. In this experiment, he is sampling the
__________.
a. biodiversity b. first trophic level c. energy pyramids d. ecological niche
Ivan Pavlov rang a bell whenever he fed a dog, and later the dog salivated at the sound of the bell. What term best describes this experiment?
a. classical conditioning b. habituation c. operant conditioning d. imprinting e. social learning
In planarian flatworms, which organ(s) rids the body of excess water and soluble wastes?
A. Coelom B. Malpighian tubule C. Nephridia D. Protonephridia E. Kidney