Given what you now know, what information is most likely to produce the correct answer?
What will be an ideal response?
If a person lacks leptin or the receptor then their brain will not receive a signal that they are full
and their appetite will not be inhibited. Obese individuals who have normal leptin levels but low leptin
receptor activity will not respond to the leptin, will be hungry more often and become obese.
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The rationale for including the plasmid that was not cloned with the linker was
A. the plasmid without the linker served as a positive control to demonstrate that the assay was performing as expected B. that the plasmid was used to make sure there was no RNA degradation C. the plasmid was used to make sure there was no DNA degradation D. the plasmid was included as a carrier to help separate the RNA that was produced from the unincorporated radioactive nucleotides. Bloom's Level:
If a trait is X-linked dominant, who would express the trait?
A) females homozygous for the dominant allele and males hemizygous for the recessive allele B) heterozygous females and males hemizygous for the dominant allele C) females homozygous for the recessive allele and males hemizygous for the recessive allele D) females homozygous for the recessive allele and males hemizygous for the dominant allele E) significantly more females than males
Which of the following statements about nucleosomes is false?
A. Nucleosomes convert a DNA molecule into a chromatin thread about one-third the length of the initial DNA. B. Nucleosomes are found only in mitotic chromosomes. C. Nucleosomes can be seen in the electron microscope. D. Nucleosomes represent the first and most fundamental level of chromatin packing. E. A nucleosome consists of DNA wrapped around eight histone proteins, plus a short segment of linker DNA.
The receptor cells for hearing are located in the
A) utricle. B) saccule. C) semicircular canals. D) auditory tube. E) cochlea.