Which statement about mitochondria is true?
a. Mitochondria are surrounded by two membranes
b. Mitochondria are less than 1 micrometer in length.
c. Mitochondria are able to survive outside the cell.
d. Mitochondria have linear DNA chromosomes.
a. Mitochondria are surrounded by two membranes
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A(n) ____ includes the entire genome
a. cDNA library b. transcribed library c. genomic library d. RNA library e. plasmid library
Which of the following statements is false?
a. Synapses are direct contacts between neurons. b. Both sensory and motor neurons use action potentials to transmit information. c. The hypothalamus acts as an endocrine gland. d. Sensory neurons carry impulses toward the central nervous system. e. Motor neurons carry impulses away from the central nervous system.
In grape cultivation, growers often find that heterozygous forms are more desirable. To propagate the heterozygotes without having to interbreed in each generation, what method can they use?
What will be an ideal response?
Which of the following drugs does NOT act by competitive inhibition?
A) ethambutol B) isoniazid C) streptomycin D) sulfonamide E) trimethoprim