What is the difference between the endocrine system and the autonomic nervous system?
A. Norepinephrine is produced by the autonomic nervous system, while epinephrine is produced by the endocrine system.
B. The axons of neurons of the endocrine system travel a shorter distance than those of the autonomic nervous system.
C. The autonomic nervous system promotes "fight or flight" functions, while the endocrine system promotes "rest and digest" functions.
D. The endocrine system employs chemical signals only, while the autonomic nervous system involves a combination of electrical and chemical signals.
Answer: D
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During the preparation of a human genomic library, plasmids containing human DNA fragments are
inserted into:a. compatible human cells. b. an antibiotic-resistant strain of E. coli to protect the inserted fragments. c. antibiotic-sensitive E. coli cells that become antibiotic-resistant if transformed. d. bacteriophages. e. mRNA molecules.
What is true about organisms that are a part of the same clade?
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The terms Krebs cycle, tricarboxylic acid cycle, and citric acid cycle all refer to the same process.
Answer the following statement true (T) or false (F)