The molecule shown above is a(n) ____
a. amino acid
b. monosaccharide
c. steroid
d. nucleotide
e. phospholipid
B
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Which vessel of the human body can serve as a
blood reservoir?
a. vein b. venule c. capillary d. arteriole e. artery
Respond to statements 86–90 in reference to the five kinds of
species interactions listed below. a. competition b. predation c. mutualism d. commensalism e. parasitism E 86. In this interaction, one species benefits while the other is neither harmed nor benefited. M 87. In this interaction between two species, both species are harmed to some degree. M 88. In this interaction, both species benefit. E 89. In this interaction, one individual or species is usually killed while the other benefits by eating it. M 90. In this interaction, one species is harmed but usually not killed, to the benefit of the other that lives on or in it.
The building blocks of DNA are the _____________
A. amino acids B. carbohydrates C. enzymes D. nucleotides E. lipids
__________ is a term that refers to similarities among various species that occur because the species are derived from a common ancestor.
A. Homologue. B. Phylogeny. C. Homology. D. Heterology. E. Morphology.