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

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

None of these

allows hydrophilic signaling molecules to cross the plasma membrane

makes the receptor more likely to capture the signaling, molecule

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

None of these

allows hydrophilic signaling molecules to cross the plasma membrane

makes the receptor more likely to capture the signaling, molecule

ANSWER DOWNLOAD EXAMIANS APP

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

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

involves the activation of a G protein

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

ANSWER DOWNLOAD EXAMIANS APP

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

ANSWER DOWNLOAD EXAMIANS APP

Cell Signalling and Transduction
SH2 domains specifically bind to

phosphorylated serine residues

phosphorylated tyrosine residues

GDP

Ca2+

phosphorylated serine residues

phosphorylated tyrosine residues

GDP

Ca2+

ANSWER DOWNLOAD EXAMIANS APP

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

hormones

both (a) and (b)

none of these

neurotransmitters

hormones

both (a) and (b)

none of these

neurotransmitters

ANSWER DOWNLOAD EXAMIANS APP

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

both (a) and (b)

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

None of these

target cells close to the cell from which it was secreted

both (a) and (b)

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

None of these

target cells close to the cell from which it was secreted

ANSWER DOWNLOAD EXAMIANS APP

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 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 SH2 domains specifically bind to

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

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

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
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
SH2 domains specifically bind to

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

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