AP Biology: Unit 4 Review (CED)

Front

What are the three parts of a signal transduction pathway?

Back

Reception, Transduction, Response

Front

Which of the following is NOT a response by the cell from a signal transduction pathway?

Back

All of the above are responses (cell growth, gene expression, secretion of molecules).

Front

Describe the interaction between cyclin and CdK.

Back

Cyclin interacts with CdK to initiate the mitotic phase.

Front

What is the correct order of the steps in mitosis?

Back

Prophase, Metaphase, Anaphase, Telophase.

Front

Which of the following are NOT involved with transduction?

Back

Ligands.

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 and help propagate the response within the cell.

Front

What is the function of protein modification in signal transduction?

Back

It alters the activity or function of proteins, facilitating the signal response.

Front

Explain the term 'phosphorylation cascade.'

Back

A series of events where one protein kinase activates another, leading to a rapid amplification of the signal.

Front

What is the role of ligands in signal transduction?

Back

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