If a disease of the blood vessels caused the endothelial cells of the vessel to die, what effect would that have on the cellular activities associated with vasodilation?

Cell Signalling and Transduction
If a disease of the blood vessels caused the endothelial cells of the vessel to die, what effect would that have on the cellular activities associated with vasodilation?

Nitric oxide would no longer be produced

All of these

It would be more difficult to increase blood flow and reduce blood pressure

Smooth muscle cells could not be made to relax

Nitric oxide would no longer be produced

All of these

It would be more difficult to increase blood flow and reduce blood pressure

Smooth muscle cells could not be made to relax

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Cell Signalling and Transduction
Simple nerve reflexes use signaling molecules called

nitric oxides

proteases

G proteins

neurotransmitters

nitric oxides

proteases

G proteins

neurotransmitters

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Cell Signalling and Transduction
Which of the following statements about G proteins is false?

They must be active before the cell can make needed cAMP

They are involved in signal cascades

They become activated when bound to GDP

They bind to and are regulated by guanine nucleotides

They must be active before the cell can make needed cAMP

They are involved in signal cascades

They become activated when bound to GDP

They bind to and are regulated by guanine nucleotides

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Cell Signalling and Transduction
SH2 domains specifically bind to

phosphorylated tyrosine residues

GDP

Ca2+

phosphorylated serine residues

phosphorylated tyrosine residues

GDP

Ca2+

phosphorylated serine residues

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Cell Signalling and Transduction
Which of the following comes under the category of cell surface receptor?

Enzyme linked receptors

G protein linked receptors

All of these

Ion-channel linked receptors

Enzyme linked receptors

G protein linked receptors

All of these

Ion-channel linked receptors

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Cell Signalling and Transduction
In terms of cell communication, what do bacterial pathogens such as cholera and anthrax have in common?

They destroy the receptors for key signaling molecules

They prevent the production of key signaling molecules

They alter the chemical structure of key signaling molecules

They block the normal functioning of signal transduction mechanisms

They destroy the receptors for key signaling molecules

They prevent the production of key signaling molecules

They alter the chemical structure of key signaling molecules

They block the normal functioning of signal transduction mechanisms

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Cell Signalling and Transduction

Cell Signalling and Transduction If a disease of the blood vessels caused the endothelial cells of the vessel to die, what effect would that have on the cellular activities associated with vasodilation?

Cell Signalling and Transduction Simple nerve reflexes use signaling molecules called

Cell Signalling and Transduction Which of the following statements about G proteins is false?

Cell Signalling and Transduction SH2 domains specifically bind to

Cell Signalling and Transduction Which of the following comes under the category of cell surface receptor?

Cell Signalling and Transduction In terms of cell communication, what do bacterial pathogens such as cholera and anthrax have in common?

Cell Signalling and Transduction
If a disease of the blood vessels caused the endothelial cells of the vessel to die, what effect would that have on the cellular activities associated with vasodilation?

Cell Signalling and Transduction
Simple nerve reflexes use signaling molecules called

Cell Signalling and Transduction
Which of the following statements about G proteins is false?

Cell Signalling and Transduction
SH2 domains specifically bind to

Cell Signalling and Transduction
Which of the following comes under the category of cell surface receptor?

Cell Signalling and Transduction
In terms of cell communication, what do bacterial pathogens such as cholera and anthrax have in common?