What are the lower and upper confidence limits of results from EC data read as "2-2-1"?
A) 95% certain that the E. coli density is between 1 and 2/10 ml
B) 95% certain that the E. coli density is between 7 and 89/10 ml
C) 95% certain that the E. coli density is between 10 and 150/10 ml
C) 95% certain that the E. coli density is between 10 and 150/10 ml
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Glycolysis, the breakdown of glucose to two molecules of pyruvate, is an example of a reaction that is ___________
A. exergonic and catabolic B. exergonic and anabolic C. endergonic and catabolic D. endergonic and anabolic E. explosive
A negative free energy change indicates that
A) the reaction is not possible. B) energy must be added to the reaction before it can proceed. C) the reactant is predominant at equilibrium. D) the reaction is exothermic. E) the reaction is at equilibrium.
What allows each strand of DNA to serve as a template for a new DNA strand during replication?
a. covalent bonding between nucleotide bases b. hydrogen bonds between the deoxyribose and the phosphate groups c. complementary base pairing between purines and purines on opposite strands d. complementary base pairing between pyrimidines and pyrimidines on opposite strands e. complementary base pairing between purines and pyrimidines on opposite strands
What is the difference between phenotype and genotype?
A) Phenotype is when both alleles are the same and genotype is when the alleles are different. B) Genotype is the physical expression of a trait and phenotype is the combination of alleles carried by the organism. C) Phenotype is the physical expression of a trait and genotype is the combination of alleles carried by the organism. D) Phenotype is the alleles that are hidden and genotype is the alleles that are expressed.