Which molecule provides the second messenger necessary for extracellular
communication to be activated?
A- guanosine triphosphate (GTP)
B- adenosine monophosphate (AMP)
C- adenosine triphosphate (ATP)
D- guanosine diphosphate (GDP)
B- adenosine monophosphate (AMP)
Under anaerobic conditions, what process provides energy for the cell?
A- oxidative phosphorylation
,B- glycolysis
C- lactolysis
D- passive transport
B- glycolysis
What is the mechanism by which the energy produced from carbohydrates, proteins, and
lipids is transferred to adenosine triphosphate (ATP)?
A- anaerobic glycolysis
B- oxidative cellular metabolism
C- oxidative phosphorylation
D- tricarboxylic acid phosphorylation
C- oxidative phosphorylation
Which form of cell communication is used to communicate within the cell itself and with
other cells in direct physical contact?
A- protein channel (gap junction)
B- plasma membrane-bound signaling molecules
C- hormone secretion such as neurotransmitters
D- extracellular chemical messengers such as ligands
, B- plasma membrane-bound signaling molecules
The transport of glucose from the blood to the cell is accomplished by which process?
A- hydrostatic pressure
B- active diffusion
C- passive osmosis
D- mediated transport
D- mediated transport
Which structure prevents water-soluble molecules from entering cells across the plasma
membrane?
A- carbohydrate chains
B- glycoprotein channels
C- membrane channel proteins
D- lipid bilayer
Give this one a try later!
D- lipid bilayer
Which cell component is capable of cellular auto digestion when it is released during
cell injury?
A- ribosome
communication to be activated?
A- guanosine triphosphate (GTP)
B- adenosine monophosphate (AMP)
C- adenosine triphosphate (ATP)
D- guanosine diphosphate (GDP)
B- adenosine monophosphate (AMP)
Under anaerobic conditions, what process provides energy for the cell?
A- oxidative phosphorylation
,B- glycolysis
C- lactolysis
D- passive transport
B- glycolysis
What is the mechanism by which the energy produced from carbohydrates, proteins, and
lipids is transferred to adenosine triphosphate (ATP)?
A- anaerobic glycolysis
B- oxidative cellular metabolism
C- oxidative phosphorylation
D- tricarboxylic acid phosphorylation
C- oxidative phosphorylation
Which form of cell communication is used to communicate within the cell itself and with
other cells in direct physical contact?
A- protein channel (gap junction)
B- plasma membrane-bound signaling molecules
C- hormone secretion such as neurotransmitters
D- extracellular chemical messengers such as ligands
, B- plasma membrane-bound signaling molecules
The transport of glucose from the blood to the cell is accomplished by which process?
A- hydrostatic pressure
B- active diffusion
C- passive osmosis
D- mediated transport
D- mediated transport
Which structure prevents water-soluble molecules from entering cells across the plasma
membrane?
A- carbohydrate chains
B- glycoprotein channels
C- membrane channel proteins
D- lipid bilayer
Give this one a try later!
D- lipid bilayer
Which cell component is capable of cellular auto digestion when it is released during
cell injury?
A- ribosome
