Proteins called ______ are chemical signals that bind to receptors on a cell membrane and trigger cell division.Multiple choice question.cyclinskinetochoreskinesinsgrowth factors

Membrane proteins that bind to a signal on the outside and trigger a response on the inside of the cell are called _____ proteins.Multiple choice question.junctiontransportreceptor

The molecules that bind to receptors in a signalling pathway to initiate a signal are called:Group of answer choicesTranscription factorsSecond messengersLigandsSubstrates

Identify the specific type of protein of the cell membrane that provides a binding site for chemical messengers and thus allows for intercellular communication.Multiple ChoiceReceptor moleculesCarrier moleculesEnzymesMembrane channels

Which type of membrane protein binds chemical messengers on the outside of the cell to initiate chemical reactions inside the cell?

Which of the following is NOT a function of membrane proteins? cell identity markers enzymes neurotransmitters receptors structural support