The making and breaking of chemical bonds are called
A) entropy reactions
B) catalysis reactions
C) activation energy reactions
D) chemical reactions
E) thermodynamic reactions
Answer: D) chemical reactions
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Immigration and __________ permanently affect
population size, but __________ does not. Fill in the blank(s) with the appropriate word(s).
Compared with prokaryotic chromosomes, eukaryotic chromosomes are ________
A) large, linear, less densely packed with protein-coding genes, mainly organized in single-gene units with introns B) small, mainly organized in polygenic transcription units without introns C) large, mainly organized in polygenic transcription units without introns D) small, mainly organized in-single gene transcription units with introns E) large, mainly organized in single-gene transcription units without introns
In a grasshopper, all the body tissues are bathed in blood that is in the
A) tracheae. B) heart. C) spiracles. D) hemocoel. E) capillaries.
Artificial electrical stimulation of a human's menthol-sensitive neurons would likely produce the sensation of _____
A) cold temperature B) hot temperature C) odor of pepper D) deep pressure