_________ make it possible for researchers to study how an entire genome responds to an environmental stimulus
A. Bioinformatics
B. PCR reactions
C. DNA microarrays
D. The BLAST program
C
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Enzymes used to insert a foreign gene into a plasmid include
(a) DNA ligase. (b) vectors. (c) restriction enzymes. (d) both a and c.
Ectotherms have a higher metabolic rate than endotherms of the same size
A. true B. false
Punctuated equilibrium proposed by Eldredge and Gould in 1972 is an evolutionary process that involves
A. gradual change observable in the fossil record with very little, if any, stasis. B. "spurts" of change observable in the fossil record followed by periods of stasis. C. gradual change observable in the fossil record followed by periods of stasis. D. "spurts" of change observable in the fossil record with very little if any stasis. E. gradual change observable in the fossil record followed by periods of no change at all.
Shoots and roots consist of ____________________, ____________________, and ____________________ tissue
systems. What will be an ideal response?