Answer: "To move substances against a concentration or electrochemical gradient, a cell must use energy. Active transport mechanisms do just this, expending energy (often in the form of ATP) to maintain the right concentrations of ions and molecules in living cells."
Hello,
These awesome features that allow to taste variety of things is called taste bud, taste buds are special features that allow you to taste different things.
For example, if you eat pepper you taste spiciness.
Thanks for using brainly.
Virions are composed largely of nucleic acids and protein. In order to produce more virions, the host cell must synthesize more of these parts through NA replication and protein synthesis.
