Which statement is true?
a. Nitrogen makes up at least 50% of the mass of plant cells.
b. Macronutrients can be synthesized by the plant in small quantities.
c. Hydrogen bonding allows plants to transport water to the leaves.
d. One-half of the volume of a plant comprises carbon.
c. Hydrogen bonding allows plants to transport water to the leaves.
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What is the hierarchy of organization of complex organisms?
a. Cells, organs, organ tissues, organ systems, organism b. Cells, tissues, organs, organ systems, organism c. Cells, tissues, organ systems, organs, organism d. Cells, organs, organ systems, tissues, organism
Which of the following is not a net product or reactant of photosynthesis?
A. carbon dioxide B. glucose C. water D. oxygen E. ATP
During a secondary immune response
a) antibodies are made quickly and in great amounts b) antibody production lasts longer tan in a primary response c) B cells become plasma cells d) all of the choices are correct
Which term refers to an animal that is unable to undergo locomotion under its own power?
a. sedentary b. prehensile c. motile d. sessile