Within a myofibril, the distance from one Z line to the next is called a(n) __________
Fill in the blank(s) with the appropriate word(s).
Ans: sarcomere
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In both nematodes and flatworms, wastes are removed by _______.
a. circulation b. osmosis c. diffusion d. respiration
The place where sound waves are translated into
patterns of nerve impulses is a. the pinna. b. the auditory canal. c. the middle ear. d. the organ of Corti. e. none of these.
In the three domain system of classification,
A. eukaryotes are more similar to the prokaryotes now classified into domain Bacteria than to those now classified into domain Archaea. B. animals and plants are less similar to each other than to the prokaryotes now classified into domain Archaea. C. prokaryotes are classified into two domains, with the organisms in domain Archaea more similar to eukaryotes than to the prokaryotes in the domain Bacteria. D. cladistics alone were used to formulate the new phylogenetic tree of life. E. by the principle of parsimony, it required fewer assumptions to divide the prokaryotes into two domains than it did to put them into a single domain.
Ancient Chinese medicine practices included:
a. molds to prevent and treat disease. b. pus-soaked rags placed in the nose to develop immunity. c. use of gold-salts for rheumatic conditions. d. A, B, and C. e. A and B.