Which of the following is not a true statement regarding the genetic code?
A) The genetic code is degenerate.
B) The genetic code is nearly universal, with only a few minor exceptions.
C) The genetic code is nonoverlapping.
D) The genetic code is triplet-based.
E) Each codon represents a different amino acid.
Answer: E
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Commercially available powders that are used to help cuttings take root contain ________
a. gibberellins b. cytokinins c. auxins d. ABA
his4 TRP1; his4 TRP1; HIS4 trp1; HIS4 trp1
A haploid yeast strain has mating type a and genotype his4 TRP1. A different haploid yeast strain has mating type ? and genotype HIS4 trp1. The two strains mate and produce diploid offspring with genotype his4 TRP1 / HIS4 trp1. The diploid cells undergo meiosis to produce a variety of tetrad types. In the following questions, the genotypes of the spores in a tetrad are shown. For each tetrad, tell what type it is: parental (PD), non-parental (NPD), or tetratype (T). A) PD B) NPD C) T D) cannot be determined
Image "C" indicates that only portions of the habitat are favorable to support growth. This type of population distribution, where growth occurs in grouping patterns, is called
A. nonselected distribution.
B. uniform distribution.
C. clumped distribution.
D. random distribution.
E. forced distribution.
Which of the following is NOT caused by bacteria?
a. morning breath b. pneumonia c. malaria d. tuberculosis e. the taste of sourdough bread