________ are the dominant herbivores of savanna ecosystems
A) Antelopes
B) Zebras
C) Buffalo
D) Insects
D
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What type of bonding is likely to occur between two water molecules or strands of DNA?
A. covalent. B. ionic. C. hydrogen. D. both hydrogen and covalent. E. both hydrogen and ionic.
Because it is a retrovirus, which of the following are required to replicate the viral genetic
material?
a. transcription and translation b. transcription only c. transcription, translation, and reverse transcription d. reverse transcription and translation
Why doesn't the gasoline in your car spontaneously ignite into flames? (The reaction of gasoline with oxygen is called
a combustion reaction, and is the reaction that is used to power your car). a. The products of a combustion reaction have more energy than the reactants. b. The gasoline in your car is in an air-tight container, so it cannot react with the oxygen from the air. c. The amount of energy in the bonds of the products exceeds the amount of energy in the bonds of the reactants. d. The reactants of the combustion of gasoline have less energy and the products. e. The gasoline in your car alone cannot overcome the activation energy.
What is the term for a gene mutation that leads to a myriad of disparate effects?
A) lethal allele B) multiple allele C) complementation D) expressivity E) pleiotropy