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The process of a white blood cell engulfing a bacterium is
transport proteins . . . down
phagocytosis.
easily pass through a membrane's lipid bilayer.
Membrane proteins transfer genetic information to the cytoplasm.
signal transduction.
exergonic . . . endergonic
Exergonic reactions release energy; endergonic reactions absorb it.
diverse proteins embedded in a phospholipid bilayer.
Which of the following statements regarding membrane protein function is false?
transport proteins . . . down
phagocytosis.
easily pass through a membrane's lipid bilayer.
Membrane proteins transfer genetic information to the cytoplasm.
signal transduction.
exergonic . . . endergonic
Exergonic reactions release energy; endergonic reactions absorb it.
diverse proteins embedded in a phospholipid bilayer.
What is the basic difference between exergonic and endergonic reactions?
transport proteins . . . down
phagocytosis.
easily pass through a membrane's lipid bilayer.
Membrane proteins transfer genetic information to the cytoplasm.
signal transduction.
exergonic . . . endergonic
Exergonic reactions release energy; endergonic reactions absorb it.
diverse proteins embedded in a phospholipid bilayer.
Facilitated diffusion across a biological membrane requires ________ and moves a substance ________ its concentration gradient.
transport proteins . . . down
phagocytosis.
easily pass through a membrane's lipid bilayer.
Membrane proteins transfer genetic information to the cytoplasm.
signal transduction.
exergonic . . . endergonic
Exergonic reactions release energy; endergonic reactions absorb it.
diverse proteins embedded in a phospholipid bilayer.
When a cell uses chemical energy to perform work, it uses the energy released from a(n) ________ reaction to drive a(n) ________ reaction.
transport proteins . . . down
phagocytosis.
easily pass through a membrane's lipid bilayer.
Membrane proteins transfer genetic information to the cytoplasm.
signal transduction.
exergonic . . . endergonic
Exergonic reactions release energy; endergonic reactions absorb it.
diverse proteins embedded in a phospholipid bilayer.
Relaying a message from a membrane receptor to a molecule that performs a specific function within a cell is called
transport proteins . . . down
phagocytosis.
easily pass through a membrane's lipid bilayer.
Membrane proteins transfer genetic information to the cytoplasm.
signal transduction.
exergonic . . . endergonic
Exergonic reactions release energy; endergonic reactions absorb it.
diverse proteins embedded in a phospholipid bilayer.
The fluid mosaic model describes the plasma membrane as consisting of
transport proteins . . . down
phagocytosis.
easily pass through a membrane's lipid bilayer.
Membrane proteins transfer genetic information to the cytoplasm.
signal transduction.
exergonic . . . endergonic
Exergonic reactions release energy; endergonic reactions absorb it.
diverse proteins embedded in a phospholipid bilayer.
Small, nonpolar, hydrophobic molecules such as fatty acids
transport proteins . . . down
phagocytosis.
easily pass through a membrane's lipid bilayer.
Membrane proteins transfer genetic information to the cytoplasm.
signal transduction.
exergonic . . . endergonic
Exergonic reactions release energy; endergonic reactions absorb it.
diverse proteins embedded in a phospholipid bilayer.
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