Bio Chapter 11 Test

Most cells are ______ because it maximizes their efficiency.

• small

• large

Select all that apply (2) : All organisms need to be able to efficiently:

• Obtain oxygen and nutrients from environment

• remove waste

• grow without stopping

Which of the following descriptions best describes asexual reproduction?

• identical offspring from 1 parent

• 2 cells fused by 2 parents

• amount of space a cell takes up (inside)

• cell divides into 2 daughter cells

Which of these events happens immediately before cell division occurs?

• 
  The DNA is copied

• The cell's surface-area-to-volume ratio increases

• The cell's volume decreases more than its surface area

• The cells DNA is distributed evenly throughout the cell

What is the correct order of the cell cycle?

• Interphase, Cytokinesis, Mitosis

• Interphase, Mitosis, Cytokinesis

• Cytokinesis, Mitosis, Interphase

• Anaphase, Telophase, Cytokinesis

Which description accurately describes the events that occur in Anaphase?

• 
  The centromeres of the duplicated chromosomes line up across the center of the cell.

• The chromosomes separate and move along spindle fibers to opposite ends of the cell.

• 
  Condensed chromatids begin to spread into a tangle of chromosomes. Nuclear envelope reforms around both tangles of chromosomes.

• 
  The genetic material inside the nucleus condenses and the duplicated chromosomes (sister chromatids) become visible.

A disorder in which some of the body's cells lose the ability to control growth.

• growth factor

• human growth hormone

• cancer

• tumor

Apoptosis is

• the process of programmed cell death

• 
  the process of programmed cell growth

• the process of programmed cell birth

• 
  the process of programmed cell regulation

Which type of tumor causes more damage?

• malignant

• benign

stem cells are

• cells that grow uncontrollably

• 
  never go through cell division

• 
  undifferentiated and can be any type of cell

• only found in embryos