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?

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

PDGF; the blood

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

target cells close to the cell from which it was secreted

None of these

both (a) and (b)

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

target cells close to the cell from which it was secreted

None of these

both (a) and (b)

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

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Cell Signalling and Transduction
The signaling molecules called steroid hormones

never enter the blood of humans

bind to cell surface receptors to trigger chemical cascades

are hydrophilic and so cannot penetrate the plasma membrane

are made in one location of the body but have their effects some distance away

never enter the blood of humans

bind to cell surface receptors to trigger chemical cascades

are hydrophilic and so cannot penetrate the plasma membrane

are made in one location of the body but have their effects some distance away

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Cell Signalling and Transduction
Small charged molecules, often biogenic amines function as

both (a) and (b)

neurotransmitters

hormones

none of these

both (a) and (b)

neurotransmitters

hormones

none of these

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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

phosphodiesterase C

lipokinase

phosphokinase C

phospholipase C

phosphodiesterase C

lipokinase

phosphokinase C

phospholipase C

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Cell Signalling and Transduction
A signal cascade induced by adrenaline or thyroxine

involves the activation of a G protein

results in the activation of a sequence of enzymes needed for the cell effect

must begin with receipt of the signal molecule by a surface receptor

All of these

involves the activation of a G protein

results in the activation of a sequence of enzymes needed for the cell effect

must begin with receipt of the signal molecule by a surface receptor

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 The signaling molecules called steroid hormones

Cell Signalling and Transduction Small charged molecules, often biogenic amines function as

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 A signal cascade induced by adrenaline or thyroxine

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
The signaling molecules called steroid hormones

Cell Signalling and Transduction
Small charged molecules, often biogenic amines function as

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
A signal cascade induced by adrenaline or thyroxine