Which of the following is not an essential component of the bacterial initiation stage of translation?
A. mRNA
B. IF-2
C. ATP
D. N-formylmethionyl-tRNAfMet
C
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The method of reasoning that uses construction of general principles by careful examination of many specific cases is called:
A. experimental reasoning. B. theoretical reasoning. C. inductive reasoning. D. hypothetical reasoning. E. deductive reasoning.
How are new combinations of alleles introduced into chromosomes?
a. independent assortment in meiosis I b. crossing over in meiosis I c. breeding between the dominant individuals in the population d. breeding between the recessive individuals in the population e. independent assortment at meiosis II
Which of the following examples could be used to describe the relationship between cells and tissues?
a. five 2100 model computers with the same features linked together to perform mathematical calculations b. five 2100 model computers with the same features connected to the internet c. three 2100 model computers linked for mathematical calculations joined to two 2100 model computers linked for processing student records d. three 2100 model computers made by Dell and three 2500 model computers made by Hewlett Packard connected to the same internet e. five different types of computer discs containing stored information
Map units on a linkage map cannot be relied upon to calculate physical distances on a chromosome for which of the following reasons?
A) The frequency of crossing over varies along the length of the chromosome. B) The relationship between recombination frequency and map units is different in every individual. C) Physical distances between genes change during the course of the cell cycle. D) The gene order on the chromosomes is slightly different in every individual.