Identify the word that best describes the word in parentheses. the lawyers advised(the client) to stay silent while in court. a. direct object b. indirect object c. predicate nominative d. predicate adjective

The correct answer is B. indirect object.
When there are two objects in a sentence, an indirect and a direct one, the first one will usually be the indirect object, followed by the direct object. In this sentence, you can say that the direct object is the infinitive phrase 'to stay silent while in court,' which means that 'the client' is the indirect object.

Mitochondria produce atp, a high energy compound. atp is used for all sorts of enzyme-mediated reactions, such as making proteins/nucleotides/etc, certain compounds cross the cell membrane, muscles move, etc.  without this source of energy, a cell will die. it will not be able to repair itself, defend against pathogens, etc.