Self-phosphorylation is an excellent mechanism for triggering specific catalytic function of the proteins involved in signal cascades because it

Cell Signalling and Transduction
Self-phosphorylation is an excellent mechanism for triggering specific catalytic function of the proteins involved in signal cascades because it

None of these

changes the shape and thus the enzymatic activity of the proteins involved

allows hydrophilic signaling molecules to cross the plasma membrane

makes the receptor more likely to capture the signaling, molecule

None of these

changes the shape and thus the enzymatic activity of the proteins involved

allows hydrophilic signaling molecules to cross the plasma membrane

makes the receptor more likely to capture the signaling, molecule

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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 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

They destroy the receptors for key signaling molecules

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Cell Signalling and Transduction
What is the name of the protein signaling molecule that alters glucose uptake, and where would its receptors be located?

Insulin; many different cell types that use glucose for fuel

PDGF; the blood

NGF; the nerves involved in simple reflexes

Insulin; beta cells of the pancreas

Insulin; many different cell types that use glucose for fuel

PDGF; the blood

NGF; the nerves involved in simple reflexes

Insulin; beta cells of the pancreas

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Cell Signalling and Transduction
In vasodilation, proper nerve signals sent to blood vessels cause

reduced blood pressure

the release of nitric oxide from endothelial cells

All of these

relaxation of smooth muscle cells

reduced blood pressure

the release of nitric oxide from endothelial cells

All of these

relaxation of smooth muscle cells

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

Enzyme linked receptors

Ion-channel linked receptors

G protein linked receptors

All of these

Enzyme linked receptors

Ion-channel linked receptors

G protein linked receptors

All of these

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Cell Signalling and Transduction
Which of the following is a hormone whose action requires a cell surface receptor?

Nitric oxide

Progesterone

Growth factors

Adrenaline

Nitric oxide

Progesterone

Growth factors

Adrenaline

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Cell Signalling and Transduction

Cell Signalling and Transduction Self-phosphorylation is an excellent mechanism for triggering specific catalytic function of the proteins involved in signal cascades because it

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 What is the name of the protein signaling molecule that alters glucose uptake, and where would its receptors be located?

Cell Signalling and Transduction In vasodilation, proper nerve signals sent to blood vessels cause

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

Cell Signalling and Transduction Which of the following is a hormone whose action requires a cell surface receptor?

Cell Signalling and Transduction
Self-phosphorylation is an excellent mechanism for triggering specific catalytic function of the proteins involved in signal cascades because it

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
What is the name of the protein signaling molecule that alters glucose uptake, and where would its receptors be located?

Cell Signalling and Transduction
In vasodilation, proper nerve signals sent to blood vessels cause

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

Cell Signalling and Transduction
Which of the following is a hormone whose action requires a cell surface receptor?