DNA technology has revolutionized forensic science. Several unsolved cases have been solved with this type of evidence, and some convicted persons have been exonerated with DNA evidence. What is the type of technology shown in the image?
a) Gel Eletrophoresis
b) Centrifugation
c) DNA splicing
d) Polymerase Chain Reaction
Ans: a) Gel Eletrophoresis
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In vertebrates, what are cranial nerves responsible for controlling? Select all correct choices
A. eye movement B. facial expression C. speech D. feeding
In complex land plants, the diploid stage is resistant to adverse environmental conditions, such as dwindling water supplies and cold weather. The diploid stage progresses through which sequence?
a. gametophyte ? male and female gametes b. spores ? sporophyte c. zygote ? sporophyte d. zygote ? gametophyte e. spores ? gametophyte
Which of the following correctly represents the probability that a detrimental autosomal recessive
allele will actually be expressed in a population if the occurrence of the allele is such that 1 in 50 individuals are heterozygous? a. 1/50 ? 1/50 = 1/2500, with 1/4 of their children homozygous recessive = 1/2500 ? 1/4 = 1/10,000. b. 1/50 ? 1/4 that are homozygous recessive = 1/200. c. 1/50 ? 2 children (on average) ? 1/4 that are homozygous recessive = 1/100. d. 1/50 ? 2 parents ? 4 children ? 1/4 that are homozygous recessive = 1/25. e. Cannot be determined from the information given.
Which of the following statements about the triple bottom line concept is true?
A) Its purpose is to appraise the overall impact of a firm's operations by using only traditional financial results. B) It is now the consensus approach to sustainability reporting as it indulges a range of demanding stakeholders. C) Results across financial and non-financial bottom lines can be compared by using a common unit of measurement. D) The triple bottom line has become the most accepted approach to CSR reporting because it is an elegant calculation.