Disulfide bonds are often found to stabilize which of the following levels of protein structure?
A) primary
B) secondary
C) tertiary
D) all of the above
E) none of the above
C) tertiary
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A newly described bacterial species has been shown to use CO2 as its carbon source. Its energy source and its source of reducing power (electrons) are inorganic chemicals. Which term would best describe this nutritional type?
A. Chemolithoheterotroph B. Photolithoheterotroph C. Photoorganoheterotroph D. Chemolithoatotroph
There are several different virus-specific treatments and vaccines available to treat or prevent hantavirus infections
Indicate whether the statement is true or false.
Which of the following is a function of an exoskeleton?
A. Exoskeletons provide protection. B. Exoskeletons help reduce water loss in terrestrial species. C. Exoskeletons provide support. D. Exoskeletons provide a site for muscle attachment. E. All of the answer options are correct.
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.