Air flow through bird lungs is a continuous circuit, flowing in one direction only
Indicate whether the statement is true or false
TRUE
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Which of the following does NOT belong to
the protists?
a. archaea b. slime molds c. radiolarians d. dinoflagellates e. euglenoids
Which of the following statements regarding photosynthesis and cellular respiration is false?
-Photosynthesis is an anabolic process, whereas cellular respiration is a catabolic process. -Oxygen is required in aerobic cellular respiration to assist in the oxidation of glucose. -The process of photosynthesis does not require the input of energy. -Photosynthesis fixes carbon dioxide during the Calvin cycle, whereas cellular respiration releases carbon dioxide during the Krebs cycle. -none of the above
Sodium (Na), atomic number 11, has a tendency to lose an electron in the presence of chlorine. After losing the electron, Na has ________ protons in its nucleus
A) 11 B) 10 C) 22 D) 21 E) 12
Evidence for the three domain system comes from sequencing the rRNA that changes slowly during evolution.
a. true b. false