Which organisms form the foundation of the carbon cycle?
A) anaerobic chemolithotrophs
B) chemoheterotrophs
C) chemoorganotrophs
D) phototrophs
Answer: D
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Striated muscle has light and dark bands. The light bands are called ________, whereas the dark bands are called ________.
A) Z lines; M lines B) H zones; M zones C) A bands; I bands D) I bands; A bands E) M lines; A bands
__________ are cells that synthesize bone, whereas __________ break bone down. Fill in the blank(s) with the appropriate word(s)
The best light to grow the alga in is __________,
according to the figure. a. blue-violet b. blue-green c. green-yellow d. yellow-orange e. orange-red
Which of the following techniques describes either the rate of a molecule's migration or its final position in a gel?
A) hybridization B) electrophoretic mobility C) densitometry D) restriction fragment analysis E) peptide fingerprint analysis