Autoclaving is the most effective method of moist heat sterilization
Indicate whether the statement is true or false
TRUE
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A typical eukaryotic cell that has an abundant supply of glucose and O2 will generate a proton gradient
in its mitochondria by _____________ that is used primarily for _____________.
a. chemiosmosis; substrate-level phophorylation b. the electron transport chain; chemiosmosis c. the electron transport chain; substrate-level phosphorylation d. fermentation; NAD reduction e. glycolysis; production of CO2
The structure that covers the opening to the trachea during swallowing, thereby preventing food from entering the air passageway, is the
A. epiglottis. B. cecum. C. rumen. D. uvula. E. soft palate.
The action of nonsteroid hormones often results in conversion of ATP to cyclic AMP, which then functions
A) as an internal receptor for steroid hormones. B) as an enzyme in the generation of ATP. C) to initiate a cascade of enzyme activations. D) to stimulate the release of the original hormone from the cell surface receptor. E) as a secondary hormone released into the bloodstream.
Compare and contrast what happens in mitosis and meiosis.
A.Mitosis is important for growth and repair, while meiosis occurs in cells involved in sexual reproduction. B.Mitosis is important for reproductive cells, while meiosis is needed for growth and repair of body cells. C. Mitosis is a process that results in genetically different daughter cells, while meiosis is a process that results in identical daughter cells. D. Mitosis is a process that requires two cell divisions, while meiosis is a process that requires one cell division and results in identical daughter cells.