Imagine that you are conducting an experiment on a yeast enzyme known as sucrase. This enzyme is used by yeast cells to break down the disaccharide sucrose into the monosaccharides glucose and fructose. What type of reaction is this?
A) Metergonic B) Endergonic C) Exergonic D) Spontaneous
C
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In models of logistic population growth, _____
A) the population growth rate slows dramatically as N approaches K B) new individuals are added to the population most rapidly at the beginning of the population's growth C) new individuals are added to the population as N approaches K D) only density-dependent factors affect the rate of population growth E) carrying capacity is never reached
A plant that requires two years to complete its life cycle is referred to as:
a. a biennial. b. an annual. c. a perennial. d. a dicot. e. a monocot
Two species of warblers colonize the same island habitat. Both species nest in similar locations and eat the same type of prey. Eventually, competition will probably cause one species to
A. speciate. B. migrate. C. be eliminated. D. grow exponentially.
A layer of calcified tissue called ________ surrounds the pulp cavity of a tooth.
A. pulp B. enamel C. dentin D. cementum E. the crown