Question 1

The cytosolic side, or β subunit, of the insulin receptor is a ________________ kinase.

Accepted Answer

tyrosine

Question 2

________________ is the membrane protein that catalyzes the conversion of ATP to cAMP.

Accepted Answer

Adenylate cyclase

Question 3

Use the following to answer questions
Choose the correct answer from the list below. Not all of the answers will be used.
-____________: The enzyme that catalyzes the cleavage of PIP2.
A)protein kinase A (PKA)
B)calmodulin
C)fatty acids
D)proto-oncogene
E)R2C2
F)R1C2
G)cAMP
H)phospholipase C
I)protein kinase C (PKC)
J)epinephrine
K)oncogene
L)small G proteins

Accepted Answer

Phospholipase C is the enzyme that catalyzes the cleavage of PIP2.

Question 4

The ________________ receptor undergoes dimerization and cross-phosphorylation when activated.

Accepted Answer

The answer of The ________________ receptor undergoes dimerization and cross-phosphorylation...

Question 5

Use the following to answer questions
Choose the correct answer from the list below. Not all of the answers will be used.
-____________: The primary messenger responsible for the "fight or flight" response.
A)protein kinase A (PKA)
B)calmodulin
C)fatty acids
D)proto-oncogene
E)R2C2
F)R1C2
G)cAMP
H)phospholipase C
I)protein kinase C (PKC)
J)epinephrine
K)oncogene
L)small G proteins

Accepted Answer

Epinephrine is the primary messenger responsible for the "fight or flight" response.

Question 6

Protein kinase A phosphorylates serine and ________________ residues.

Accepted Answer

The answer of Protein kinase A phosphorylates serine and ________________...

Question 7

7TM is an abbreviation for ________________ receptors.

Accepted Answer

The answer of 7TM is an abbreviation for ________________ receptors....

Question 8

The binding of IP3 to the IP3 receptor results in the release of ________________ from the endoplasmic reticulum.

Accepted Answer

The answer of The binding of IP3 to the IP3...

Question 9

Use the following to answer questions
Choose the correct answer from the list below. Not all of the answers will be used.
-The inactive form of protein kinase A is ____________.
A)protein kinase A (PKA)
B)calmodulin
C)fatty acids
D)proto-oncogene
E)R2C2
F)R1C2
G)cAMP
H)phospholipase C
I)protein kinase C (PKC)
J)epinephrine
K)oncogene
L)small G proteins

Accepted Answer

The answer of Use the following to answer questions
Choose the...

Question 10

________________ binds to β-andrenergic receptors.

Accepted Answer

The answer of ________________ binds to β-andrenergic receptors....

Question 11

Use the following to answer questions
Choose the correct answer from the list below. Not all of the answers will be used.
-The ____________ enzyme becomes active when bound to Ca2+ and diacylglycerol.
A)protein kinase A (PKA)
B)calmodulin
C)fatty acids
D)proto-oncogene
E)R2C2
F)R1C2
G)cAMP
H)phospholipase C
I)protein kinase C (PKC)
J)epinephrine
K)oncogene
L)small G proteins

Accepted Answer

The enzyme that becomes active when bound to Ca2+ and diacylglycerol is protein kinase C (PKC).

Question 12

Use the following to answer questions
Choose the correct answer from the list below. Not all of the answers will be used.
-____________: The ɑ and subunits of heterotrimeric G proteins are anchored to the cell membrane by being covalently linked to these types of molecule.
A)protein kinase A (PKA)
B)calmodulin
C)fatty acids
D)proto-oncogene
E)R2C2
F)R1C2
G)cAMP
H)phospholipase C
I)protein kinase C (PKC)
J)epinephrine
K)oncogene
L)small G proteins

Accepted Answer

Fatty acids are covalently linked to the ɑ and subunits of heterotrimeric G proteins, anchoring them to the cell membrane.

Question 13

________________ is a secondary messenger and is abbreviated IP3.

Accepted Answer

The answer of ________________ is a secondary messenger and is...

Question 14

Use the following to answer questions
Choose the correct answer from the list below. Not all of the answers will be used.
-____________: A gene that leads to the transformation of susceptible cell types into cell types with cancer-like characteristics.
A)protein kinase A (PKA)
B)calmodulin
C)fatty acids
D)proto-oncogene
E)R2C2
F)R1C2
G)cAMP
H)phospholipase C
I)protein kinase C (PKC)
J)epinephrine
K)oncogene
L)small G proteins

Accepted Answer

An oncogene is a gene that can transform a normal cell into a cancerous one.

Question 15

Use the following to answer questions
Choose the correct answer from the list below. Not all of the answers will be used.
-Ras is a member of the ____________ family of proteins.
A)protein kinase A (PKA)
B)calmodulin
C)fatty acids
D)proto-oncogene
E)R2C2
F)R1C2
G)cAMP
H)phospholipase C
I)protein kinase C (PKC)
J)epinephrine
K)oncogene
L)small G proteins

Accepted Answer

The question specifically mentions that Ras is a member of the "family of proteins." The only answer choice that refers to a family of proteins is L, small G proteins. Therefore, L is the correct answer.

Question 16

Use the following to answer questions
Choose the correct answer from the list below. Not all of the answers will be used.
-The ____________ protein binds to calcium ions and serves as a Ca2+ sensor in eukaryotic cells.
A)protein kinase A (PKA)
B)calmodulin
C)fatty acids
D)proto-oncogene
E)R2C2
F)R1C2
G)cAMP
H)phospholipase C
I)protein kinase C (PKC)
J)epinephrine
K)oncogene
L)small G proteins

Accepted Answer

Calmodulin is the protein that binds to calcium ions and serves as a Ca2+ sensor in eukaryotic cells. None of the other options are associated with this function.

Question 17

Use the following to answer questions
Choose the correct answer from the list below. Not all of the answers will be used.
-The ____________ molecule functions as a secondary messenger.
A)protein kinase A (PKA)
B)calmodulin
C)fatty acids
D)proto-oncogene
E)R2C2
F)R1C2
G)cAMP
H)phospholipase C
I)protein kinase C (PKC)
J)epinephrine
K)oncogene
L)small G proteins

Accepted Answer

cAMP functions as a secondary messenger in numerous cellular pathways.

Question 18

When activated, the insulin receptor results in the mobilization of ________________ transporters to the cell surface.

Accepted Answer

The answer of When activated, the insulin receptor results in...

Question 19

Use the following to answer questions
Choose the correct answer from the list below. Not all of the answers will be used.
-The enzyme that becomes active when bound to cAMP is ____________.
A)protein kinase A (PKA)
B)calmodulin
C)fatty acids
D)proto-oncogene
E)R2C2
F)R1C2
G)cAMP
H)phospholipase C
I)protein kinase C (PKC)
J)epinephrine
K)oncogene
L)small G proteins

Accepted Answer

The enzyme that becomes active when bound to cAMP is protein kinase A (PKA).

Question 20

The ________________ is a calcium-binding unit in many proteins and is characterized by a helix-loop-helix structure.

Accepted Answer

The answer of The ________________ is a calcium-binding unit in...

Quiz 13: Signal Transduction Pathways

The cytosolic side, or β subunit, of the insulin receptor is a ________________ kinase.

________________ is the membrane protein that catalyzes the conversion of ATP to cAMP.

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -____________: The enzyme that catalyzes the cleavage of PIP2.

The ________________ receptor undergoes dimerization and cross-phosphorylation when activated.

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -____________: The primary messenger responsible for the "fight or flight" response.

Protein kinase A phosphorylates serine and ________________ residues.

7TM is an abbreviation for ________________ receptors.

The binding of IP3 to the IP3 receptor results in the release of ________________ from the endoplasmic reticulum.

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -The inactive form of protein kinase A is ____________.

________________ binds to β-andrenergic receptors.

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -The ____________ enzyme becomes active when bound to Ca2+ and diacylglycerol.

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -____________: The ɑ and subunits of heterotrimeric G proteins are anchored to the cell membrane by being covalently linked to these types of molecule.

________________ is a secondary messenger and is abbreviated IP3.

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -____________: A gene that leads to the transformation of susceptible cell types into cell types with cancer-like characteristics.

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -Ras is a member of the ____________ family of proteins.

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -The ____________ protein binds to calcium ions and serves as a Ca2+ sensor in eukaryotic cells.

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -The ____________ molecule functions as a secondary messenger.

When activated, the insulin receptor results in the mobilization of ________________ transporters to the cell surface.

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -The enzyme that becomes active when bound to cAMP is ____________.

The ________________ is a calcium-binding unit in many proteins and is characterized by a helix-loop-helix structure.