The endocrine system functions in:
a. conduction
b. contraction
c. hormonal control of body functioning
d. protection against disease
e. cell production
c
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Courts allow patenting complementary DNA (cDNA) because
A) its exact sequence is not in the genome of an organism. B) it cannot be synthesized in a laboratory. C) it is present only in adult humans. D) it represents only the introns of a gene.
The biggest problem facing coastal habitats is not dumping but:
a. overfishing. b. river runoff. c. development. d. offshore oil spills. e. nuclear power plant leakage.
Most of the regulation of gene expression in bacteria occurs at the ________ level
Fill in the blank(s) with correct word
One of the reasons that viruses are such effective infectious organisms is their ability to gain entry into host cells. Which component of a virus is primarily responsible for this feat?
A) flagellae B) reverse transcriptase C) single stranded RNA D) viral envelope