The atrioventricular valves are supported by connective tissue strands called ________, which prevent the valves from everting

Fill in the blank(s) with correct word


chordae tendineae

Biology & Microbiology

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All of the following are ways to determine the function of annotated genes except

a. looking for similar gene sequences of known function b. examining the putative protein structure c. gene knockout experiments d. gene knockdown experiments e. finding a pseudogene for that gene

Biology & Microbiology

The specimen preparation technique that is best for viewing cell motility is the ________.

A. hanging drop B. negative stain C. Gram stain D. fixed, stained smear E. flagellar stain

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For a successful emergence or re-emergence to occur, a pathogen must be introduced into a vulnerable population and have the ability to spread readily from person-to-person causing disease.

Answer the following statement true (T) or false (F)

Biology & Microbiology

Modern advances in _________ have provided important insights into the evolutionary history of life on Earth.

A. research on human subjects B. technology C. dog breeding D. constructing evolutionary trees Technology

Biology & Microbiology