Which of the following processes produces the most ATP?
A. glycolysis
B. Krebs cycle
C. electron transport system
D. anaerobic cellular respiration
C. electron transport system
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The organism was found to have two lungs, but the left lung was much smaller than the right lung. Kelly added that the herpetology instructor had said that in most snakes, the same condition exists
If the size difference between the lungs in this organism is not a shared ancestral characteristic with its occurrence in snakes, then its existence in this organism is explained as which of the following? 1. a result of convergent evolution 2. an example of homologous structures 3. a similar adaptation to a shared lifestyle or body plan 4. a result of having identical Hox genes A) 1 only B) 1 and 3 C) 2 and 3 D) 3 and 4
Stem cells have the ability to differentiate to form specific cell types, which divide only slowly or not at all
a. True b. False Indicate whether the statement is true or false
Which of the following is mismatched?
A. Hyperthermophiles - adapted to high temperatures B. Extreme halophiles - adapted to salty habitats C. Psychrophiles - adapted to very low temperatures D. Thermoplasmas - adapted to warm-blooded animal environments E. Methanogens - convert CO2 and H2 into methane
Humans are not the only animals known to use tools. Crows have been observed using twigs to extract food from holes or carry objects they would be unable to hold in their beaks. When presented with unreachable food floating in a narrow tube, crows will find small objects, such as pebbles, to drop into the tube, raising the water level until they can reach their prize. What kind of behavior does this demonstrate?
a. operant conditioning b. classical conditioning c. cognitive learning d. innate behavior