A soil with roughly equal amounts of humus, silt, clay, and sand is called a ____
a. topsoil
b. loam
c. subsoil
d. compost
e. oversoil
ANSWER: b
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After the disruption, when electron transfer and ATP synthesis still occur, what must be present?
A) all of the electron transport proteins and ATP synthase B) all of the electron transport system and the ability to add CoA to acetyl groups C) the ATP synthase system D) the electron transport system E) plasma membranes like those used by bacteria for respiration
A method of identification using immobilized, known antigens to identify unknown antibodies and vice versa, where the presence of the agent being tested for immediately brings about a color change is called ________.
A. immunochromatography B. Western blotting C. ELISA D. radioimmunoassay
Marine snow refers to:
a. neston. b. seston. c. cobwebby aggregates of mucus. d. fecal pellets. e. necktonic organisms.
Which of the following plants are capable of
secondary growth?
a. ferns b. horsetails c. club mosses d. conifers e. liverworts