AP Biology - Unit 4 Test

Front

What are the three parts of signal transduction pathway?

Back

reception, transduction, response

Front

Describe the interaction between cyclin and CdK.

Back

cyclin interacts with CdK to initiate the mitotic phase

Front

Plant cells can exchange small soluble compounds with neighboring cells directly through junctions in the cell wall called -

Back

plasmodesmata

Front

If a medicine works by blocking a secondary messenger, what effect would it have on that cell signaling pathway?

Back

It would inhibit transduction, thus deactivating the response

Front

Which of the following describes anaphase?

Back

Sister chromatids are separated and kinetochores begin pulling chromosomes to opposite poles

Front

What is the end result of mitosis?

Back

2 genetically identical diploid cells

Front

What would happen if protein phosphatases were defective?

Back

Cancerous cells would take advantage and grow uncontrollably because the cell cycle cannot shut down.

Front

What evidence is there that cell communication is a process that has evolved over billions of years?

Back

The processes are very similar in prokaryotic and eukaryotic cells

Front

This diagram shows transduction of a signal. How is the signal being transduced to its target location in the cell?

Back

Enzymes are passing phosphate groups down a series of proteins

Front

What is the primary purpose of mitosis?

Back

Ensure genetic material is properly transferred to daughter cells