It is thought that the oldest stage of cellular respiration from an evolutionary perspective is
A. the krebs cycle.
B. the electron transport chain.
C. fermentation.
D. glycolysis.
D. glycolysis.
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________ are the detrital-feeding organisms responsible for the conspicuous coiled and cone-shaped casts found on sandy beaches
A) Gastropod mollusks B) Lugworms C) Nematodes D) Polychaete worms
Which one of the following best describes the proper sequence of steps involved in the scientific method? a. state hypothesis b. observe c. experiment d. support or disprove hypothesis e. form a prediction
A) b, a, d, e, c B) a, b, c, d, e C) b, a, e, c, d D) a, b, c, e, d E) e, b, a, c, d
What would be strong evidence to suggest a protist is phagotrophic?
A. Benthic lifestyle B. Silicon dioxide cell walls C. An abundance of lysosomes D. Presence of chloroplasts E. Locomotion using polar flagella
Which of the following are virulence factors contributing the pathogenicity of Neisseria species?
A. hemolysin B. fimbriae C. a capsule D. exotoxins E. both a capsule and fimbriae