In which structure of the digestive tract does digestion of starches begin?
a. in the esophagus
b. in the large intestine
c. in the mouth
d. in the small intestine
Ans: c. in the mouth
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Explain why GC-rich DNA requires a higher temperature to denture or melt than AT-rich DNA and hypothesize as to why the GC content of chromosomes in microorganisms from different environments varies widely
What will be an ideal response?
Glomeromycetes can grow independently of their plant partners
A. true B. false
Pharming refers to the use of transgenic animals and plants to produce protein drugs, such as
A) the production of the blood factor antithrombin III in goat milk. B) the production of factor VIII protein, the blood-clotting factor, by bacteria. C) GM plants that have enhanced nutritional value. D) a transgenic monkey model for Huntington disease.
Why are fossils older than 60 000 years hard to date using C14? What will be an ideal response?