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5 Written questions

5 Matching questions

  1. Plant Hormones
  2. scaffolding proteins
  3. transcription factors
  4. protein phosphates
  5. Transuduction
  1. a Binding of the signaling molecule changes the receptor protein in some way, initating the conversion of a signal to a form to a form that can bring about a specific cellular response
  2. b enzymes that can rapidly remove phophate groups from proteins (a process called dephosphorylation)
  3. c also called plant growth regulators
  4. d large relay proteins to which other proteins are simultaneously attached
  5. e control which genes are turned on (which gense are transcribed to mRNA) ex. testosterone

5 Multiple choice questions

  1. plasma membrane receptor that works with the help of a G protein
    used by yeast mating factors, epinephrine, other hormones and neurotransmitters
    NOT enzymes
    G-protein is active when bound to a GTP
  2. A chemical signal is detected when signaling molecule binds to a receptor protein located at the cell's surface or inside the cell
  3. enzyme that catalyzes the transfer of phosphate groups
  4. type of membrane receptor containing a region that can act as a "gate" when the receptor changes shape
    when the signaling molecule bindsas a ligand to the receptor protein, the gate opens or closes, allowing or blocking the flow of specific ions
  5. protein kinase A

5 True/False questions

  1. apoptosis"controlled cell suicide" cells that are infected, damaged, or have reached the end of their functional life span

          

  2. Synaptic Signaling (local)A nerve cell releases neurotransmitter molecules into the synapse, stimulating the target cell

          

  3. Responseenzyme that catalyzes the transfer of phosphate groups

          

  4. Receptor tyrosine kinasesplasma membrane receptors that are characterized by having enzymatic activity

          

  5. Signal Transductoin Pathwayprocess by which a signal on a cell's surface is converted to a specific cellular response