The ____________________ valve is located between the right atrium and ventricle. Fill in the blank(s) with the appropriate word(s)
ANSWER: right AV, tricuspid
Biology & Microbiology
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The power stroke corresponds to which event in muscle contraction?
A. cross-bridge formation. B. sliding of actin with respect to myosin C. cocking of the myosin head D. binding of the myosin head to actin
Biology & Microbiology
The process of removing introns from mRNA and joining exons together occurs in a complex called the ____
a. ribosome b. anticodon c. lariat d. polysome e. spliceosome
Biology & Microbiology
Language and abstract thought are possible due to the ____
a. cerebellum b. pons c. cerebral cortex d. medulla oblongata
e. midbrain
Biology & Microbiology
Which of the following molecules has an enzymatic site that splits ATP during muscle contraction?
a. troponin b. myosin c. actin d. inositol triphosphate e. tropomyosin
Biology & Microbiology