A DNA sequence can be patented if
A) two or more people isolate the same sequence successfully.
B) it forms a single gene.
C) it has economic implications.
D) it is useful as a tool for research or as a novel or improved product.
D) it is useful as a tool for research or as a novel or improved product.
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Respiration in the human body relies on ____
a. exocytosis and endocytosis b. facilitated diffusion c. osmosis d. simple diffusion e. active transport
Mr. Johnson was becoming slightly deaf. To test his hearing, his doctor held a vibrating tuning fork tightly against Mr. Johnson's jaw. This sent vibrations through the bones of the skull, setting the fluid in the cochlea in motion. Mr. Johnson could hear the tuning fork this way, but not when it was held away from the skull a few inches from his ear. His hearing problem is most likely attributed to the
A. auditory nerve leading to Mr. Johnson's brain. B. fluid of the cochlea. C. auditory cortex of Mr. Johnson's brain. D. hair cells in the cochlea. E. tympanum or the bones of the middle ear.
The symbiotic bacteria found in the root nodules of legumes do all of the following EXCEPT:a
supply the plant with the nitrogen it needs in the form of nitrates. b. are motile bacteria. c. are Rhizobial bacteria. d. are soil-dwelling bacteria. e. digest wood.
A scientist discovers a new microbial species. It is a single-celled eukaryote without cell walls. In which kingdom will it likely be classified?
A. Plantae B. Monera C. Fungi D. Protista E. Animalia