What is the importance of the mucins that are released by salivary glands?
A) They aid in degradation of triglycerides to fatty acids and monoglycerides.
B) They are beginning the process of starch digestion.
C) They are hormonal molecules that stimulate the release of gastric juice by the stomach in anticipation of receipt of the contents of the mouth.
D) They are glycoproteins that make food slippery enough to slide easily through the esophagus.
Answer: D
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In domestic animals, “mad cow disease” is caused by:
a. Viruses b. Viroids c. Prions d. None of the above
A scientific ________ must be so thoroughly confirmed that virtually no doubt remains about its accuracy.
Fill in the blank(s) with the appropriate word(s).
In Tilman's experiments with diatoms, what was the outcome when the two species competed for silica?
A) Both coexisted. B) Both survived several years but one eventually won out. C) One outcompeted the other to extinction. D) Both died.
What is the difference between a first messenger and a second messenger? Give an example of each. What will be an ideal response?