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

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

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

Insulin; many different cell types that use glucose for fuel

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Cell Signalling and Transduction
In paracrine signaling, the signaling molecules affects only

None of these

target cells close to the cell from which it was secreted

target cells distant from its site of synthesis in cells of an endocrine organ

both (a) and (b)

None of these

target cells close to the cell from which it was secreted

target cells distant from its site of synthesis in cells of an endocrine organ

both (a) and (b)

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Cell Signalling and Transduction
SH2 domains specifically bind to

Ca2+

GDP

phosphorylated tyrosine residues

phosphorylated serine residues

Ca2+

GDP

phosphorylated tyrosine residues

phosphorylated serine residues

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Cell Signalling and Transduction
The enzyme that catalyzes the splitting of PIP2 into two molecules of inositol triphosphate (IP3) and diacylglycerol in cell signaling, is

phospholipase C

phosphodiesterase C

lipokinase

phosphokinase C

phospholipase C

phosphodiesterase C

lipokinase

phosphokinase C

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Cell Signalling and Transduction
In the signal transduction mechanism known as protein phosphorylation

receptor kinases play a key role in triggering the signal cascade

phosphorylated proteins act with enzymes to trigger the signal cascade

All of these

the signaling molecule binds to a surface receptor

receptor kinases play a key role in triggering the signal cascade

phosphorylated proteins act with enzymes to trigger the signal cascade

All of these

the signaling molecule binds to a surface receptor

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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?

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

Nitric oxide would no longer be produced

All of these

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Cell Signalling and Transduction

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 paracrine signaling, the signaling molecules affects only

Cell Signalling and Transduction SH2 domains specifically bind to

Cell Signalling and Transduction The enzyme that catalyzes the splitting of PIP2 into two molecules of inositol triphosphate (IP3) and diacylglycerol in cell signaling, is

Cell Signalling and Transduction In the signal transduction mechanism known as protein phosphorylation

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
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 paracrine signaling, the signaling molecules affects only

Cell Signalling and Transduction
SH2 domains specifically bind to

Cell Signalling and Transduction
The enzyme that catalyzes the splitting of PIP2 into two molecules of inositol triphosphate (IP3) and diacylglycerol in cell signaling, is

Cell Signalling and Transduction
In the signal transduction mechanism known as protein phosphorylation

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?