Which of the following is a disadvantage of gas exchange in water, as compared to gas exchange in air?
a. Air is less dense than water.
b. Air contains a higher concentration of oxygen.
c. Less energy is needed to move air over a gas exchange surface.
d. Oxygen diffuses more slowly through air than water.
e. Air is less viscous than water.
d
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If the food source being communicated about is close to the hive, the bee performs the ____
a. round dance, which is image A b. round dance, which is image B c. waggle dance, which is image A d. waggle dance, which is image B e. round dance and the waggle dance in sequence
What will happen to the pH inside of a thylakoid that is exposed to light?
A. It will increase. B. It will depend on the starting pH of the stroma. C. It will depend on the starting pH in the thylakoid. D. It will not change. E. It will decrease.
The pH of human blood is approximately 7.4 and the body temperature is approximately 37 °C. Which of the following best describes a human pathogen?
A) neutrophiles & acidophiles B) acidohphiles & thermophiles C) neutrophiles & mesophiles D) thermophiles & mesophiles
During which of the phases of cellular respiration is the majority of ATP formed?
A. Krebs cycle B. processing of pyruvic acid for the Krebs cycle C. glycolysis D. electron transport E. All phases produce the same number of ATP molecules.