Cells

• The primary function of the microtubules is to

  provide strength to hair strands

  provide support for microvilli

  anchor organelles inside of a cell

  provide support to flagella

  provide support to flagella
• The cytoplasm is the term for

  the communication center of the cell

  microtubules and microfilaments

  cytosol plus cell organelles

  all cell organelles combined

  cytosol plus cell organelles
• If a virus were to enter a cell and destroy its ribosomes, how would the cell be affected?

  it would undergo autophage

  it would be unable to synthesize proteins

  it would be unable to undergo mitosis

  it would no longer produce ATP

  it would be unable to synthesize proteins
• Endocytosis is an example of passive transport

  facilitated diffusion

  simple diffusion

  active transport

  active transport
• Structures that perform specific functions within the cell are

  organisms

  organelles

  organs

  chromosomes

  organelles
• Which of the following cell organelles help to detoxify the blood in the liver?

  lysosomes and peroxisomes

  smooth endoplasmic reticulum

  smooth and rough endoplasmic reticulum

  lysosomes

  smooth endoplasmic reticulum
• The processing and sorting of proteins is the function of the Golgi apparatus

  endoplasmic reticulum

  mitochondria

  lysosomes

  Golgi apparatus
• When proteins are being synthesize, the process of translation takes place

  in the nucleus

  on the mitochondria

  in the mitopchondria

  on the ribosomes

  on the ribosomes
• The primary function of smooth endoplasmic reticulum is to

  detoxify alcohol, drugs, and chemical containing substances like insecticides

  modifies, sorts, and packages proteins

  contains digestive enzymes to help defend the cell against pathogens

  production of proteins that are inserted into the plasma membrane

  detoxify alcohol, drugs, and chemical containing substances like insecticides
• The primary function of ribosomes is/are

  protein production

  protein and digestive enzyme production

  digest enzyme production

  detoxify alcohol and drugs

  protein production
• The golgi apparatus sorts and then ships proteins to which of the following destination(s)?

  plasma membrane or other organelles

  plasma membrane

  organelles

  ribosomes and DNA

  plasma membrane or other organelles
• __________ is the fluid between cells within a tissue.

  interstitial fluid
• Importation of materials into a cell employing a vesicle is part of which general process?

  endocytosis

  ingestion

  envagination

  exocytosis

  endocytosis
• What is the powerhouse of the cell?

  mitochondrion
• In order for glucose to enter most cells in the body it must pass across the plasma membrane through a pore or channel, down its concentration gradient.  This type of movement is _________.

  facilitated diffusion
• Concentration gradient is best defined by which of the following?

  a substance that is a dissolved within a fluid or gas

  the amount of solute dissolved in a given volume of solvent

  the difference in the concentration of a substance between two areas

  a fluid or gas in which a substance is dissolved

  the difference in the concentration of a substance between two areas
• Nicotine in cigarette smoke interferes with the ability of cells to rid the breathing passageways of debris.  Which organelles are paralyzed by nicotine?

  cilia
• The movement of molecules across a plasma membrane from an area of low concentration to an area of high concentration requires

  cellular energy