The lungs are covered by a membrane called the
a) pericardium
b) periosteum
c) symphysis
d) pleura
Answer: d) pleura
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The following questions are based on the drawings of root or stem cross sections shown in the figure
Refer to the figure above. A woody eudicot is represented by _____. A) II only B) III only C) IV only D) I and III
Vertebrate bone does NOT ____.
A. contain blood vessels B. contain sarcomere units C. contain hydroxyapatite crystals D. become remodeled with use E. consist of cells and an extracellular matrix containing collagen fibers
You set up an EcoRI restriction digest for a sample of genomic DNA from an individual with a mutation in the ?-globin gene. You perform a Southern blot using the entire ?-globin gene as a probe
To your surprise, you notice a different pattern of bands in the affected individual – you have identified a new SNP! What can you conclude from the pattern of bands from the Southern blot below? A) The SNP resulted in the loss of an EcoRI site. B) The SNP resulted in the creation of a new EcoRI site. C) The SNP resulted in the loss of an exon. D) The SNP results in the creation of a new HindIII site. E) There was no change in the genomic DNA sequence.
DNA backbones joined by DNA's sugar-phosphate backbones are joined with
a) ionic bonds. b) hydrogen bonds. c) weak chemical bonds. d) covalent bonds.