An agent that can cause disease is a(n)
a. infectivore.
b. protozoan.
c. disruptor.
d. pathogen.
e. antibody..
D
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Why are African honeybees of such a concern? a. They have a more powerful venom than other honeybees
b. They are more widespread than other honeybees. c. Hey are much bigger than other honeybees. d. They cannot be killed by regular pesticides. e. They sting more readily than other honeybees.
Select the best process listed below for each statement numbered
125–129. Note that you need to know that the sequence of amino acids directly reflects the sequence of genes that coded for their placement. a. an inversion b. a deletion c. a gene duplication d. a translocation e. an addition D 125. Homologous sets of genes ABCDEF and aBCdEF are located on nonhomologous chromosomes. Crossing over between them is suppressed because their locations are the result of this. D 126. Homologous sets of genes ABCDEF and AEDCBF are located on homologous chromosomes. Crossing over between them is suppressed because of this. D 127. A small region of a protein from three species is sequenced and found to be as follows:species X is alanine, glycine, glycine, threonine, alanine species Y is alanine, glycine, threonine, alanine species Z is alanine, valine, glycine, threonine, alanine The difference in the amino acid sequence of species Y is most likely due to this. Chapter 12 Chromosomes and Human Inheritance 127 D 128. A small region of a protein from three species is sequenced and found to be as follows:species X is alanine, valine, threonine, alanine species Y is alanine, glycine, threonine, alanine species Z is alanine, valine, glycine, threonine, alanine The difference in the amino acid sequence of species Z is most likely due to this. D 129. The nucleotide sequences of homologous regions of DNA of two species are AATGCCCCGTTA and AATGCCCCGCTTA. If this is not the result of a nucleotide base-pair addition, then it is most likely the result of this.
In DNA profiles
A. the bands are derived from variation in restriction cutting sites of DNA. B. ideally, the pattern is unique for all individuals except identical twins. C. variations in short tandem repeats produce the banding pattern. D. all of these are true. E. none of these are true.
Which statement is true regarding pasteurization?
A. During pasteurization, the heating is done very quickly to prevent a change in the integrity and taste of the product. B. It does not kill all microorganisms in milk. C. The process was first used in the wine industry. D. All statements are true.