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Reading Signal Transduction Pathways

Authored by Catie Smith

Science

12th Grade

NGSS covered

Used 5+ times

Reading Signal Transduction Pathways
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5 questions

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1.

REORDER QUESTION

1 min • 1 pt

Media Image

Examine the Signal Transduction pathway below and put the events in the correct order.

Ligand binds to the receptor

Relay Protein 1 is activated

Response occurs in the cell.

Relay Protein 2 is activated

2.

REORDER QUESTION

1 min • 1 pt

Media Image

Examine the Signal Transduction pathway and put the events in the correct order.

cAMP activates an enzyme called protein kinase A (PKA)

Response occurs in the cell.

adenylyl cyclase converts ATP into cAMP, removing two phosphates and linking the remaining phosphate to the sugar in a ring shape.

Ligand binds to the receptor

3.

REORDER QUESTION

1 min • 1 pt

Media Image

Examine the Signal Transduction pathway and put the events in the correct order.

Response occurs in the cell.

DAG stays in the plasma membrane and activates a target called protein kinase C (PKC)

Ligand binds to the receptor

an enzyme called phospholipase C cleaves (chops) PIP2 into two fragments, DAG and IP3

Phosphorylation occurs

4.

REORDER QUESTION

1 min • 1 pt

Media Image

Examine the Signal Transduction pathway and put the events in the correct order.

Ligand binds to the receptor

an enzyme called phospholipase C cleaves (chops) PIP2 into two fragments, DAG and IP3

IP3 - diffuses into the cytoplasm and can bind to ligand-gated calcium channels in the endoplasmic reticulum

Ca2+ is released and binds to proteins

Response occurs in the cell.

Tags

NGSS.HS-PS1-2

5.

REORDER QUESTION

1 min • 1 pt

Media Image

Examine the Signal Transduction pathway and put the events in the correct order.

Ligand (growth factor) binds to the EGF receptor

Response occurs in the cell.

activated receptors trigger a series of events that activate the kinase Raf.

  • Active Raf phosphorylates and activates MEK, which phosphorylates and activates the ERKs.

ERKs phosphorylate and activate a variety of target molecules.

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