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AP - Cell Communication
11th - 12th grade
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Biology
3 years ago by
cfreidhoff
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  • Question 1
    30 seconds
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    Q. What is an organic compound that is made by glands in the body (pituitary, thyroid, etc) that is used in long distance communication between cells?
    answer choices
    Hormones
    Neurotransmitters
    Synapse
    Carbohydrates
  • Question 2
    60 seconds
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    Q. Which of the following can activate a protein by transferring a phosphate group to it?
    answer choices
    cAMP
    G Protein
    protein kinase
    protein phosphatase
  • Question 3
    60 seconds
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    Q. A signal molecule that binds to a plasma-membrane protein is a
    answer choices
    ligand
    second messenger
    protein kinase
    receptor protein
  • Question 4
    60 seconds
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    Q. What do second messengers do?
    answer choices
    transport a signal through the lipid bilayer
    relay a signal from the outside to the inside of the cell
    relay message from the inside of the mebrane throughout the cytoplasm
    dampen the message
  • Question 5
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    Q. Signal amplification is most often achieved by
    answer choices
    an enzyme cascade
    binding of multiple signals
    branching pathways
    action of adenylyl cyclase
  • Question 6
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    Q. Hormones are used in ____ signaling.
    answer choices
    endocrine
    juxtacrine
    autocrine
    paracrine
  • Question 7
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    Q. The 3 steps of signal transduction in order are
    answer choices
    reception, transduction, response
    response, transduction, reception
    reception, response, transduction
    transduction, reception, response
  • Question 8
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    Q. Protein kinases activate other relay proteins by adding a(n) ____ to them.
    answer choices
    phosphate
    ATP molecule
    cAMP
    GTP
  • Question 9
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    Q. What determines whether a cell is a target cell for a particular signal molecule?
    answer choices
    phosphorylation cascade
    cAMP
    signal receptors
    phosphatase
  • Question 10
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    Q. Each of the following numbered processes are involved in signal transduction pathways:  
     I.  Response      
    II.  Amplification      
     III.  Reception      
    IV.  Transduction
     Which of the following represents the sequence of events in a typical signal transduction pathway?
    answer choices
    I, II, III, IV
    III, I, IV, II
    II, IV, I, III
    III, IV, II, I
  • Question 11
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    Q. This is an example of
    answer choices
    paracrine signaling
    synaptic signaling
    long-distance signaling
    all of the above
  • Question 12
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    Q.

    What is being depicted in the image?

    answer choices

    Amplification of the signal molecule

    Enzymatic proteins inhibiting process of the signal transduction pathway

    Kinase groups adding dimer groups to other enzymes

    Diffusion of molecules within the cell due to the signaling molecule

  • Question 13
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    Q.

    Which type of membrane protein would help intake a message from outside of the cell to inside of the cell?

    answer choices

    Receptor Protein

    Enzymatic Protein

    Channel Protein

    Junction Protein

    ATP Synthase

  • Question 14
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    Q.

    Ligands are signaling molecules that bind to receptors. Which of the following statements is true of ligands?

    answer choices

    All ligands are proteins.

    Each ligand is only able to bind to one specific receptor

    Ligands can bind to cell-surface receptors, but they cannot enter the cell

    Ligands bond to receptor proteins and cause the protein to relay a message to intracellular proteins.

  • Question 15
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    Q.

    Which letter represents the cell membrane?

    answer choices

    A

    B

    C

    D

    E

  • Question 16
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    Q.

    Which letter represents the cell surface receptor protein?

    answer choices

    A

    B

    C

    D

    E

  • Question 17
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    Q.

    Which letter represents the secondary proteins?

    answer choices

    A

    B

    C

    D

    E

  • Question 18
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    Q.

    Which letter represents the ligand?

    answer choices

    A

    B

    C

    D

    E

  • Question 19
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    Q.

    Which letter(s) can be proteins? (multiple answers are correct)

    answer choices

    A

    B

    C

    D

    E

  • Question 20
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    Q.

    After a ligand binds, the intracellular domain of a receptor protein changes _____, initiating transduction of the signal.

    answer choices

    color

    size

    shape

  • Question 21
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    Q.

    Gymnema tea binds to taste receptors and blocks sugars from binding to receptors. The tea could be known as a(n) ____.

    answer choices

    activator

    inhibitor

    buffer

    cell

  • Question 22
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    Q.

    Phosphorylation __________.

    answer choices

    always inactivates a protein

    always activates a protein

    can either activate or inactivate a protein

  • Question 23
    60 seconds
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    Q. What determines whether a signal molecule binds on the surface or enters the cell?
    answer choices
    size
    polarity
    ability to cross the membrane
    all of these are correct
  • Question 24
    180 seconds
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    Q. When you get cut, your skin cells release hormones that signal platelets to come and stop the bleeding. Platelets then release more hormones that signal even more platelets to help stop bleeding. The hormone signals continue until the cut is closed.
    answer choices
    Positive Feedback Response
    Negative Feedback Loop 
  • Question 25
    180 seconds
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    Q. As you get dehydrated, your blood becomes thicker and harder to pump. Your kidneys will respond by stopping urine production, sending the water from urine into your bloodstream to thin your blood back to normal level.
    answer choices
    Positive Feedback Response
    Negative Feedback Loop 
  • Question 26
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    Q.

    An example of LOCAL cell communication is:

    answer choices

    White blood cells bumping into each other sharing antigen info

    Neurons communicating across a synapse

    Hormones traveling through the blood stream to target tissues

  • Question 27
    30 seconds
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    Q.

    An example of DIRECT cell communication is:

    answer choices

    White blood cells bumping into each other sharing antigen info

    Neurons communicating across a synapse

    Hormones traveling through the blood stream to target tissues

  • Question 28
    30 seconds
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    Q.

    An example of DISTANCE cell communication is:

    answer choices

    White blood cells bumping into each other sharing antigen info

    Neurons communicating across a synapse

    Hormones traveling through the blood stream to target tissues

  • Question 29
    30 seconds
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    Q.

    The structure labeled 'E' is called _____ and is filled with ______

    answer choices

    Vacuole; lipids

    Synapse; neurotransmitters

    Membrane; lipids

    Vesicle; neurotransmitters

  • Question 30
    30 seconds
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    Q.

    Name the structure labeled 'B' (see image)

    answer choices

    Post synaptic terminal

    Receptor

    Ligand

    Neurotransmitter

  • Question 31
    30 seconds
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    Q.

    Receptors for signal molecules __________.

    answer choices

    all work via protein kinases

    are never found in the nucleus of a cell

    may be found embedded in the plasma membrane, or found within the cytoplasm or nucleus

    all work by opening ion channels

    are only found associated with the plasma membrane

  • Question 32
    30 seconds
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    Q.

    What enzyme removes a phosphate group from a molecule?

    answer choices

    Kinase

    Catalase

    Phosphatase

    Ligase

    PG Polymerase

  • Question 33
    30 seconds
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    Q.

    What does the process of phosphorylation do?

    answer choices

    Addition of a phosphate group to a molecule.

    Removal of a phosphate group to a molecule.

    Addition of Non-polar elements to a phosphate group.

    Removal of Hydrogen Ions from a protein.

    Change in pH

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