In bacteria, the transport of many nutrients, including sugars and amino acids, is driven by the electrochemical h+ gradient across the plasma membrane. in e. coli, for example, an h+–lactose symporter mediates the active transport of the sugar lactose into the cell. given what you know about coupled transport, which is likely true of the h+–lactose symporter?

7th grade question (easy) look at the diagram of the food web. the arrows mean eaten by. what would happen if the number of snakes went down? answer choices are in the image.

{answer found. it's (3 ) }which statement describes the cell cycle? (1)the cell cycle is a process in which one cell divides into four genetically different cells. (2)the cell cycle is a process in which one cell divides into two genetically different cells. (3)the cell cycle is a process in which one cell divides into two genetically identical cells. (4)the cell cycle is a process in which one cell divides into four genetically identical cells.

What type of organism is a one-celled organism that functions as a single unit? a. bi-celled b. single-celled c. pre-celled d. multi-celled