Which macronutrient is responsible for the activation of enzymes in plants?
a. Sulfur
b. Carbon
c. Copper
d. Potassium
e. Zinc
d
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A certain form of albinism in humans is recessive and autosomal. Assume that 1 percent of the individuals in a given population are albino
Assuming that the population is in Hardy-Weinberg equilibrium, what percentage of the individuals in this population are expected to be heterozygous?
All of the following coefficients/statistics will be the same across the dummy variable and within estimator approaches for estimating a fixed effects model except:
A. coefficient on treatment variable. B. R-squared C. coefficient on additional control variables. D. coefficient on time trend.
Plants possess many compounds that affect animals. What explains these plant characteristics?
A) Plants have been subject to mutation-causing pollution for many decades. B) Plants have cell structures that are very different from animal cells. C) Plants contain chloroplasts that are derived from free-living prokaryotes. D) Plants that produced chemical defenses were successful against plant-eating animals.
Genetic mutations in asexually reproducing organisms lead to more evolutionary change than do genetic mutations in sexually reproducing ones because _____
A) asexually reproducing organisms, but not sexually reproducing organisms, pass all mutations on to their offspring B) sexually reproducing organisms can produce more offspring in a given time than can asexually reproducing organisms C) more genetic variation is present in organisms that reproduce asexually than is present in those that reproduce sexually D) asexually reproducing organisms have more dominant genes than organisms that reproduce sexually