The cytoplasmic membranes of ________ may contain branched hydrocarbons
A) archaeal cells
B) bacterial cells
C) eukaryotic cells
D) both bacterial and eukaryotic cells
E) archaeal, bacterial, and eukaryotic cells
A
Bloom's Taxonomy: Comprehension
Section: Eukaryotic Cell Walls and Cytoplasmic Membranes
Learning Outcome: 3.28
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Why is agreement between the fossil record and phylogenies constructed from living organisms considered to be strong evidence of evolution?
A. It is unlikely that two independent methods of investigation would result in the same pattern by chance alone. B. All living organisms will eventually become fossils, so evidence of their evolution will be recorded in the fossil record. C. Phylogenetic methods based on DNA sequences can suggest that two species are closely related, but only fossils can show direct evidence of an evolutionary relationship between species. D. Evolutionary processes cannot be studied directly in the laboratory alone, so it is necessary to compare living and extinct species to see evidence of evolutionary change. E. All of the answer options are correct.
Two solutions of differing glucose concentration are placed in a container separated by a selectively permeable
membrane that restricts large molecules like glucose, but allows the free diffusion of water. What will be the glucose concentration in the container after dynamic equilibrium has been reached?
a. The water molecules will be evenly distributed in the container, with more glucose molecules on one side than the other. b. The volumes of the solution will be different, with a higher volume on the side that originally contained the higher concentration of glucose. c. The volumes of the solution will be different, with a lower volume on the side that originally contained the higher concentration of glucose. d. The glucose concentration of the two solutions will be identical on both sides of the membrane, but the volumes will remain unchanged. e. The volume and concentrations will be unchanged on both sides of the membrane.
The sequence of amino acids is the ____ structure of a protein
a. primary b. secondary c. tertiary d. quaternary e. isomeric
The science dealing with classification is called ________.
A. nomenclature B. taxonomy C. identification D. systematics