Permease proteins that aid in the transport of nutrients resemble enzymes in their specificity for the substance to be transported. Each carrier is selective and will transport only a closely related set of substances.
Answer the following statement true (T) or false (F)
True
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Water molecules are polar with ends that exhibit partial positive and negative charges. These opposite charges allow water molecules to attract each other through:
A. ionic bonds. B. covalent bonds. C. hydrogen bonds. D. peptide bonds.
The method of movement that requires the
expenditure of ATP molecules is a. simple diffusion. b. facilitated diffusion. c. osmosis. d. active transport. Ground Rules of Metabolism 43 e. bulk flow.
What is the major difference between substrate-level phosphorylation and oxidative phosphorylation? What will be an ideal response?
A reason an automobile engine is not considered to be living is that it is not able to
A. utilize energy. B. change its activities. C. make copies of itself. D. utilize chemical reactions.