Q.1
The three steps of signal transduction in order are
  • reception, transduction, response
  • response, transduction, reception
  • reception, response, transduction
  • transduction, reception, response
Q.2
Which of the following cell organelle actively participates in animal apoptosis?
  • Nucleus
  • Mitochondria
  • Lysosomes
  • Vacuoles
Q.3
Apoptosis can't kill which of the following?
  • Cell infected with viruses
  • Cell with DNA damage
  • Cancer cells
  • Immune cells
Q.4
What could be the cause for a cell to undergo apoptosis?
  • DNA damage
  • Radiation
  • Nutrient deficiency
  • All of the above
Q.5
DNA sequence to which hormones of steroid hormone superfamily binds is called
  • HRE
  • CRE
  • SRE
  • GRE
Q.6
Endocrine signals are
  • Short distance
  • Only used during stressful times
  • Long distance
  • Part of the rebel alliance
Q.7
The type of receptors are:
  • Intracellular and Extra-cellular receptors
  • Mitotic and Meiotic receptors
  • Left side and right side receptors
  • Autocrine, Paracrine, and Endocrine receptors
Q.8
Ligand gated ion channels are found in:
  • Plant cells
  • Animal Cells
  • Plant and Animal Cells
  • Alien Cells
Q.9
How many stages are there to cell conversation?
  • 4
  • 6
  • 3
  • 87
Q.10
Paracrine signals affect
  • the cell that sent the signal
  • the cell that sent the signal and the surrounding cells
  • only the surrounding cells but not itself
  • no cells
Q.11
Cells can communicate by Direct Contact. Which of the following is NOT an example of direct contact?
  • Direct intracellular Signalling (buy cell junctions)
  • Contact Dependent Signaling (cell to cell recognition)
  • Intracellular Contact (using lysosomes)
  • None of the above are examples of Direct Contact
Q.12
Messenger molecules are divided into two types, which are:
  • Local and Long
  • Fast and Slow
  • Green and Blue
  • Square and Circle
Q.13
Synaptic Signaling occurs in which type of cell?
  • Muscle cell
  • Nervous System cell
  • White Blood Cell
  • Red Blood
Q.14
Auotcrine signals affect
  • the cell that sent the signal
  • the cell that sent the signal and surrounding cells
  • only the surrounding cells but not itself
  • no cells
Q.15
What does a protein kinase do?
  • removes phosphates
  • transfers phosphates from ATP to proteins
  • activates an enzyme
Q.16
What does a protein phosphatase do?
  • removes phosphates
  • transfers phosphates from ATP to proteins
  • activates an enzyme with a signal molecule
Q.17
What is a phosphorylation cascade?
  • travelling of hormones through the air
  • travelling of hormones through the blood
  • the removal of a phosphate
  • a series of molecules that get phosphorylated
Q.18
Do plant cells communicate using hormones?
  • yes
  • no
Q.19
Which of the following converts cAMP to AMP?
  • phosphodiesterase
  • protein phosphatase
  • GTPase
Q.20
What is a function of the second messenger IP3?
  • bind to and activate protein kinase A
  • activate transcription factors
  • convert ATP to cAMP
  • bind to and open ligand-gated channels
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