NPHS 2020 AP Biology - Unit 4 Exam review (cell communication and cell cycle)

Which of the following is NOT a major cell division checkpoint?

What does the ability of a cell to respond depend on?

A local regulator is ______________?

growth factors released by a cell cause nearby cells to grow. This is an example of __________

In what phase of the M cycle do the chromatin get pulled apart?

How do cyclins control the rate of cell division?

The termination phase of cell signaling requires which of the following?

Hormonal signaling

The function of secondary messengers are to

What two normal behaviors do cancer cells no longer show?

Which of the following acts as a signaling molecule on the surface of the cell membrane?

How are cyclins activated and what do they, then, do?

The three stages of cell signaling are:

Which structure is involved in cell signaling

What are the most common secondary messengers?

What is the function of cyclin in the cell cycle?

Cyclins and CDKs help do what?

What is the function of the checkpoint during the S phase of the cell cycle?

What is the cell division stage referred to as?

Regulation of gene expression would occur during which stage of cell signaling?

What is the function of the checkpoint during the M phase of the cell cycle?

Which of the following is NOT a characteristic of cancer cells?

Which of the following is NOT a major cell division checkpoint?

Process by which a signal on a cell is converted into a specific cellular response

 At which stage of cell signaling are second messengers involved?

Steroids can enter a cell by simple diffusion, therefore steroids ____________.

What is the name of the protein that combines with cyclins to exert local control of the cell cycle

What does the Ras gene do?

Cyclins are involved in the control of the _______.

Why are checkpoints during the cell cycle so important?

Why are phosphorylation cascades involving a series of protein kinases useful?

What type of macromolecule are cyclins in the cell cycle?

Receptors for protein hormone signals has to be found on

What happens when there are no cyclins?

P53 gene

The binding of cyclins to Cdk molecules (Cyclin dependent kinase), has this effect

Receptors for water-soluble hormones must be in the plasma membrane since these hormones cannot diffuse plasma membrane.

The activation of kinases (letter C) displays this second step of a signaling pathway

Which treatment of cancer would be most effective?

a carcinogen

At what stage of the cell cycle is MPF concentration the greatest?

The critical value in AP Biology is

How can cancer cells be described?

What does the presence of cyclins do to the cell cycle?

What is used for long distance signaling?

Which of these is not a characteristic of cancer?

The general act of bacteria communicating through means of signal pathway is called

Cyclins a group of proteins that are made and destroyed at certain points in the cell cycle

What is the main function of kinases in cell communication?

Phosphorylation cascades are useful for cellular signal transduction because

Which is true about secondary messengers?

Kinases and cyclins are ____ factors that regulate cell division.

Cyclins are a family of closely related proteins that

Two important secondary messengers are _________

Cyclins are proteins that signal the start of S phase. Too much cyclin production can cause -

____ is a connection between plant cells for communication.

The general name for an enzyme that transfers phosphate groups from ATP to a protein is ____________.