A(n) ____ property is a characteristic of a
system that does not appear in any of its
component parts.
a. efferent
b. emergent
c. elective
d. energetic
e. living
B
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Lizards can control spider populations on Caribbean islands by which density dependent
mechanism(s)?
a. Predation. b. Competition. c. Predation on a common predator. d. Predation and competition. e. Predation, competition, and predation on a common predator.
A peptide bond
A) is a covalent bond between the carboxyl carbon of one amino acid and the amino nitrogen of a second amino acid. B) is a covalent bond between the functional R groups of adjacent amino acids. C) is a covalent bond between the NH group of one polypeptide and the CO group of an adjacent polypeptide that holds together multimeric proteins. D) is a noncovalent bond that dictates the tertiary structure of a protein. E) is a covalent bond between adjacent glucose molecules in a peptide.
Plants adapted to low-nutrient environments are characterized by
A) a high growth rate. B) decreased root production. C) increased leaf longevity. D) faster growth when more nitrogen is available.
The chromosomes are aligned at the spindle equator during
A) anaphase. B) metaphase. C) prophase. D) interphase. E) telophase.