WGU D312 QUESTIONS & ANSWERS
What is the correct order of organization levels, from largest to smallest? - answers -
organism, organ system, organ, tissue, cellular, chemical
What are the two systems that maintain blood pressure homeostasis? - answers -
cardiovascular and urinary systems
The smallest independently functioning unit of a living organism - answers - cell
Any of several different types of membrane-enclosed specialized structures in the cell
that perform specific functions for the cell - answers - organelles
A group of many similar cells that work together to perform a specific function - answers
- tissues
An anatomically distinct structure of the body composed of two or more tissue types -
answers - organ
A group of organs that work together to perform major functions or meet physiological
needs of the body - answers - organ system
A living being that has a cellular structure and that can independently perform all
physiologic functions necessary for life - answers - organism
A type of tissue that serves primarily as a covering or lining of body parts, protecting the
body; it also functions in absorption, transport, and secretion - answers - epithileal
tissue
Type of tissue that serves to hold in place, connect, and integrate the body's organs and
systems - answers - connective tissue
Type of tissue that can contract, generating tension in response to stimulation; produces
movement - answers - muscle tissue
Type of tissue that can send and receive impulses through electrochemical signals -
answers - nervous tissue
Which statement is true about tissue? - answers - it is a group of cells with similar
function and structure.
Which body system is responsible for structural support? - answers - skeletal system
, What is the smallest independently functioning biological unit of an organism? - answers
- cell
What is a collection of similar tissues that performs a specific function? - answers -
organ
Cell's central organelle; contains the cell's dna - answers - nucleus
The jelly-like substance in which the cell organelles and nucleus are embedded -
answers - cytoplasm
A thin and flexible membrane surrounding the cells that acts as a barrier between the
intracellular and the extracellular fluids - answers - cell membrane
A membrane-associated protein that spans the entire width of the lipid bilayer - answers
- integral protein
A membrane-spanning protein that has an inner pore that allows the passage of one or
more substances - answers - channel protein
A protein molecule that contains a binding site for another specific molecule (called a
ligand) - answers - receptor
A molecule that binds with specificity to a specific receptor molecule - answers - ligand
A protein that has one or more carbohydrates attached - answers - glycoprotein
A coating of sugar molecules that surrounds the cell membrane - answers - glycocalyx
A membrane-associated protein that does not span the width of the lipid bilayer, but is
attached peripherally to integral proteins, membrane lipids, or other components of the
membrane - answers - peripheral protein
The solution or aqueous part within the cytoplasm in which many organelles are
suspended - answers - cytosol
A network of membranes that are important for protein and lipid synthesis - answers -
endoplasmic reticulum
The cell organelle responsible for protein synthesis - answers - ribosome
A stack of small, flat sacs of membranes in the cytoplasm that prepare protein and fat
molecules - answers - golgi complex
Membrane-bound cell organelles containing digestive enzymes that disintegrate
decayed cell parts and may also destroy viruses and bacteria - answers - lysosomes
What is the correct order of organization levels, from largest to smallest? - answers -
organism, organ system, organ, tissue, cellular, chemical
What are the two systems that maintain blood pressure homeostasis? - answers -
cardiovascular and urinary systems
The smallest independently functioning unit of a living organism - answers - cell
Any of several different types of membrane-enclosed specialized structures in the cell
that perform specific functions for the cell - answers - organelles
A group of many similar cells that work together to perform a specific function - answers
- tissues
An anatomically distinct structure of the body composed of two or more tissue types -
answers - organ
A group of organs that work together to perform major functions or meet physiological
needs of the body - answers - organ system
A living being that has a cellular structure and that can independently perform all
physiologic functions necessary for life - answers - organism
A type of tissue that serves primarily as a covering or lining of body parts, protecting the
body; it also functions in absorption, transport, and secretion - answers - epithileal
tissue
Type of tissue that serves to hold in place, connect, and integrate the body's organs and
systems - answers - connective tissue
Type of tissue that can contract, generating tension in response to stimulation; produces
movement - answers - muscle tissue
Type of tissue that can send and receive impulses through electrochemical signals -
answers - nervous tissue
Which statement is true about tissue? - answers - it is a group of cells with similar
function and structure.
Which body system is responsible for structural support? - answers - skeletal system
, What is the smallest independently functioning biological unit of an organism? - answers
- cell
What is a collection of similar tissues that performs a specific function? - answers -
organ
Cell's central organelle; contains the cell's dna - answers - nucleus
The jelly-like substance in which the cell organelles and nucleus are embedded -
answers - cytoplasm
A thin and flexible membrane surrounding the cells that acts as a barrier between the
intracellular and the extracellular fluids - answers - cell membrane
A membrane-associated protein that spans the entire width of the lipid bilayer - answers
- integral protein
A membrane-spanning protein that has an inner pore that allows the passage of one or
more substances - answers - channel protein
A protein molecule that contains a binding site for another specific molecule (called a
ligand) - answers - receptor
A molecule that binds with specificity to a specific receptor molecule - answers - ligand
A protein that has one or more carbohydrates attached - answers - glycoprotein
A coating of sugar molecules that surrounds the cell membrane - answers - glycocalyx
A membrane-associated protein that does not span the width of the lipid bilayer, but is
attached peripherally to integral proteins, membrane lipids, or other components of the
membrane - answers - peripheral protein
The solution or aqueous part within the cytoplasm in which many organelles are
suspended - answers - cytosol
A network of membranes that are important for protein and lipid synthesis - answers -
endoplasmic reticulum
The cell organelle responsible for protein synthesis - answers - ribosome
A stack of small, flat sacs of membranes in the cytoplasm that prepare protein and fat
molecules - answers - golgi complex
Membrane-bound cell organelles containing digestive enzymes that disintegrate
decayed cell parts and may also destroy viruses and bacteria - answers - lysosomes
