AP Biology: Unit 4 Review (CED)

Front

What are the three parts of a signal transduction pathway?

Back

Reception, Transduction, Response

Front

Which component is NOT involved in the transduction step of a signal transduction pathway?

Back

Ligands

Front

What are the responses by a cell from a signal transduction pathway?

Back

Cell growth, Gene expression, Secretion of molecules

Front

Which of the following is NOT a stage of the cell cycle?

Back

Apoptosis

Front

What is the correct order of the steps in mitosis?

Back

Prophase, Metaphase, Anaphase, Telophase

Front

Define signal transduction.

Back

The process by which a cell responds to external signals through a series of molecular events.

Front

What role do secondary messengers play in signal transduction?

Back

They amplify the signal within the cell after the initial reception.

Front

What is the function of ligands in signal transduction?

Back

Ligands are molecules that bind to receptors to initiate the signal transduction pathway.

Front

What is apoptosis?

Back

A programmed cell death process that is NOT a stage of the cell cycle.

Front

What is the significance of phosphorylation cascades in signal transduction?

Back

They are a series of chemical reactions that amplify the signal and lead to a cellular response.