If humans are unable to digest dietary fiber, why is it considered to be such an important element of the diet that most food packages list the exact number of grams contained in each serving of food?
What will be an ideal response?
Dietary fiber is helpful in maintaining digestive tract function and seems associated with improved blood chemistry and may decrease colon cancer.
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Photosynthetic pigments in bacteria are located in the:
A. nuclei. B. plasma membrane. C. chloroplasts. D. cell wall. E. plasmids.
Reflects sunlight at leaf surface.
Choose the letter of the best match: A. abscisic acid B. trichomes C. aquaporin D. endodermis E. stoma
Steroid hormones bind with G-protein linked receptors in plasma membranes of target cells
____________________ Indicate whether the statement is true or false.
In E. coli cell with the genotype lac Image ImageImageImage would make which of the following protein products and in what manner?
A) LacZ, induced B) LacZ and Lac A, induced C) LacY, constitutive D) LacZ, constitutive E) LacZ and LacA, constitutive