According to the clip, where are the light-harvesting organelles found within plants?
a) throughout the flowering parts of the plant
b) in the seeds
c) in the stem
d) near the surface of the leaves
e) in the roots
Ans: d) near the surface of the leaves
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The long-term and short-term carbon cycles are connected by the fact that some of the carbon contained in C6H12O6 (or other organic molecules) in plants is incorporated into sedimentary rocks or oil;
it is not immediately reintroduced back into the atmosphere. A. true B. false
Deuterostomia is a ____ lineage of animals that dates to the ____
a. polyphyletic; Mesozoic b. paraphyletic; Cenozoic c. monophyletic; Paleozoic d. paraphyletic; Paleozoic e. polyphyletic; Cenozoic
The closest relatives of fungi and animals are
a. amoebozoans. b. chlorophytes. c. alveolates. d. stramenopiles. e. none of these.
Which of the following statements concerning the chemical structure of an antibody is FALSE?
A. Antibodies are formed of four polypeptide chains. B. Antibodies have two long peptide chains known as heavy chains. C. Antibodies have two short peptide chains known as light chains. D. The stem and arm are connected by a hinge. E. The heavy and light chains are connected by hydrogen bonds.