Cell Cycle Quiz

Why is it important for cells of multicellular organisms to undergo mitosis?

Mitosis produces cells that are identical to the original dividing cell.

Organize the parts of the body system from most basic to most complex according to the levels of organization in a multi-cellular organism.

Neurons (brain cell) 🡪 nerve tissue 🡪 brain 🡪 central nervous system 🡪 human being

During which phase of the cell cycle does most cell growth occur?

interphase

Why must DNA replication have to occur before a cell can divide by mitosis?

to maintain the same number of chromosomes in the daughter cells as in the parent cell

The accumulation of abnormal cells to form a mass of tissue is referred to as a(n) ______.

tumor

What would most likely be produced when a cell with 8 chromosomes undergoes mitosis?

two cells with eight chromosomes each

If a parent cell has 8 chromosomes, how many chromosomes will each of its daughter cells have after cytokinesis?

8

Which principle of the cell theory best supports the idea that new cells will replace damaged cells in a scraped knee?

All cells come from pre-existing cells.

One difference between a cancer cell and a normal cell is that ____.

Cancer cells divide uncontrollably.

These diagrams show a variety of cells from the same organism. How can cells from the same organism have such different shapes and functions?

During differentiation, different parts of the DNA in each type of cell are activated, resulting in the different structure and function of the cells.

Which of the following statements is NOT true concerning the cell cycle?

During prophase, the chromosomes are pulled to opposite poles of the cell.

Which of the following shows the correct sequence of the cell cycle?

G1🡪S🡪G2🡪M🡪C

Which of the following is NOT a phase in interphase?

G3

Examine the following picture of a cell. Which of the following descriptions best describes what is taking place here?

The nuclear membrane has disintegrated and the spindle fibers are attaching to the sister chromatids.

xamine the following picture of the cell. What phase is the cell in?

anaphase

While in the womb, the webbed fingers of the embryo undergo program cell death, also known as _________.

apoptosis

How do some chemicals increase a person's risk of getting cancer?

by causing cell mutations

Substances known to produce or promote cancer are called ______.

carcinogens

A cell that has a distinct function is known as a ________ cell

differentiated

What term best describes the illustration shown below?

sister chromatids