The gas exchange surfaces in a mammalian lung are organized into structures that look like clusters of hollow grapes. The hollow, grape-like structures are the________________.
A. alveoli
B. spiracles
C. papulae
D. lamellae
E. bronchi
A. alveoli
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Aerobic refers to what property of chemotrophs?
A) Chemotrophs remove carbon dioxide from the air. B) Chemotrophs require oxygen to produce energy. C) Chemotrophs use, but do not require oxygen. D) Fermentation releases great amounts of gas but only in chemotrophs. E) Heat losses occur in the presence of oxygen.
Pasteurization results in the sterilization of food products
Indicate whether this statement is true or false.
Stomata are:a
waxy layers that cover leaves. b. openings in the leaf epidermis. c. extensions of bundle sheaths. d. particularly numerous on the upper epidermis. e. guarded by two stipule cells.
A particular chemical reaction is exergonic. What can you say about the relationship between the reactants and the products in this exergonic reaction?
A. The reactants cannot spontaneously react to generate the products B. The reactants likely have lower enthalpy than the products C. The reactants have more free energy than the products D. The reactants are likely more disordered and the products are likely more ordered