The most reliable dietary source of all eight essential amino acids is:
A. meat.
B. nuts.
C. vegetables.
D. whole grains.
E. dairy products.
A
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Fat digestion yields fatty acids and glycerol, whereas protein digestion yields amino acids; both digestive processes _____
A) are catalyzed by the same enzyme B) are intracellular processes in all organisms C) use water molecules when breaking bonds (hydrolysis) D) require the presence of hydrochloric acid to lower the pH E) require adenosine triphosphate (ATP) as an energy source
A bryologist (a scientist that studies mosses, and their allies) gives a lecture to your biology class. In her lecture, she makes a reference to fern reproduction. She says, "Fern spores germinate into ____."
A. gametophytes, which are often heart-shaped and have rhizoids that anchor the fern to the substrate B. gametophytes, which are often heart-shaped and have roots that anchor the fern to the substrate C. sporophytes, which are often heart-shaped and have rhizoids that anchor the fern to the substrate D. sporophytes, which are often heart-shaped and have roots that anchor the fern to the substrate
Human cells require __________ vitamins at a
minimum. a. 5 b. 8 c. 10 d. 13 e. 20
A culture medium consisting of agar, human blood, and beef heart is a:
A. None of the above B. Selective medium C. Complex medium D. Defined medium