The middle ear is connected to the upper throat by the __________ tube.

Fill in the blank(s) with the appropriate word(s).


Answer: eustachian

Biology & Microbiology

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If the DNA sequence was substantially altered from one of the following, which would prevent the binding of the TATA-binding protein (TBP)?

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Which vertebrates exhibits a "flow through" respiratory system?

A. mammals B. birds C. amphibians D. fishes E. birds and fishes

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When performing gene therapy, DNA can be introduced into human cells by using genetically engineered ____, which

are designed to deliver their genetic material into the cells they infect.

a. sheep cells b. mouse cells c. bacteria d. plasmids e. viruses

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A method for sterilizing milk, called ________ treatment, uses 134°C for 1 to 2 seconds.

A. ultra high temperature B. pasteurization C. batch pasteurization D. tyndallization E. flash pasteurization

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