Sucralose is a non-caloric artificial sweetener. Its structure is similar to sucrose, but with three of sucrose's hydroxyl groups replaced by chloride. How do you predict sucralose behaves in the body?
A. Sucralose enters cells by diffusion.
B. Sucralose is unable to bind conventional sugar transporters and is excreted.
C. Sucralose binds to glucose transporters and is metabolized by normal metabolic pathways.
D. Sucralose does not enter the body.
B. Sucralose is unable to bind conventional sugar transporters and is excreted.
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Recycling of used eIF2 (eIF2-GDP), after it has served its rolein translation initiation, is facilitated by:
A. dephosphorylation of eIF2. B. phosphorylation of the GDP on eIF2 to recreate the active eIF2-GTP. C. release of the GDP by a guanine nucleotide exchange factor. D. dephosphorylation of eIF2.
The slender, rootlike structures found in nonvascular plants are called ____
a. thalli b. rhizomes c. gametangia d. protonema e. rhizoids
What cells are the precursors of macrophages?
A. B cells B. macrophages C. plasma cells D. T cells E. monocytes
Plants benefit from frugivores, which aid in the dispersal of their seeds
Indicate whether the statement is true or false