CBIO 2200 Final Exam Questions With
Correct Answers
Human Hierarchy of complexity - CORRECT ANSWER✔✔-Humans are comprised
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of many parts that form a whole organism
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The parts of the human heirarchy of compexity in order form least to msot
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complex: - CORRECT ANSWER✔✔-1) atoms
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2) molecules/chemicals
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3) macromolecules
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4) organelles
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5) cells
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6) tissues
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7) organs
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8) organ systems
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9) organisms
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Atoms - CORRECT ANSWER✔✔-smallest unit of matter
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Molecules - CORRECT ANSWER✔✔-at least 2 atoms bonded together (AKA
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compound)
Macromolecules - CORRECT ANSWER✔✔-large molecule, several specific classes
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,Organelles - CORRECT ANSWER✔✔-compounts of a cell with specific structure
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and function
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cells - CORRECT ANSWER✔✔-functional unit of life, most basic structure
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considered alive, cytoplasm surroudned by plasma membrane
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tissues - CORRECT ANSWER✔✔-group of similar cells, their products, and the
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mateirals surroudning those cells (EX: muscle tissues, nervous tissue)
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Organs - CORRECT ANSWER✔✔-two or more tissues functioning together (EX:
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biceps brachii, stomach)
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Organ systems - CORRECT ANSWER✔✔-mulitple organs functioning together (EX:
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digestive system, nervous system) | | |
Organism - CORRECT ANSWER✔✔-multiple organ systems functioning together
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(AKA humans!)
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Gradient - CORRECT ANSWER✔✔-a system in which there is a difference in the
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amount of anyhting between two points ( EX: oxygen levels of blood vs. lungs)
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What is gradient flow? - CORRECT ANSWER✔✔-The movement of gradient
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components from areas of high concentration to low concentration.
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,What is diffusion? - CORRECT ANSWER✔✔-The spontaneous movement of
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particles from areas of high concentration to low concentration.
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What does it mean for gradient components to 'flow down' their gradient? -
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CORRECT ANSWER✔✔-It means they move from areas of high concentration to
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low concentration.
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What is required for movement 'up' a gradient? - CORRECT ANSWER✔✔-Energy
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is required to move up a gradient.
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What is a concentration gradient? - CORRECT ANSWER✔✔-There's more of an
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object at point A than point B.
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What is another name for a concentration gradient? - CORRECT ANSWER✔✔-
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Molecular gradient. |
What is a temperature gradient? - CORRECT ANSWER✔✔-Difference in
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temperature between points A and B. | | | | |
What is another name for a temperature gradient? - CORRECT ANSWER✔✔-
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Thermal gradient. |
What is a pressure gradient? - CORRECT ANSWER✔✔-Difference in pressure
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between points A and B. | | | |
, What is an electrical gradient? - CORRECT ANSWER✔✔-Difference in charge
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between points A and B. | | | |
Homeostasis - CORRECT ANSWER✔✔-maintenance of a relatively stable internal
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enviroment
feedback systems control homeostasis - CORRECT ANSWER✔✔-- Negative
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feedback systems: oppose change,maintain homeostasis
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- Positive feedback systems: amplify change,oppose homeostasis
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What is the variable in a feedback system? - CORRECT ANSWER✔✔-The
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physiologic component being maintained.
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What is the set point in a feedback system? - CORRECT ANSWER✔✔-The ideal
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normal value of a particular variable.
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What is the normal range in a feedback system? - CORRECT ANSWER✔✔-The
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values of a particular variable as it fluctuates around the set point.
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What is a stimulus in a feedback system? - CORRECT ANSWER✔✔-A deviation of
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the variable away from the set point.
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What does a receptor do in a feedback system? - CORRECT ANSWER✔✔-
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Monitors the value of the variable.
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Correct Answers
Human Hierarchy of complexity - CORRECT ANSWER✔✔-Humans are comprised
| | | | | | | | |
of many parts that form a whole organism
| | | | | | |
The parts of the human heirarchy of compexity in order form least to msot
| | | | | | | | | | | | | |
complex: - CORRECT ANSWER✔✔-1) atoms
| | | |
2) molecules/chemicals
|
3) macromolecules
|
4) organelles
|
5) cells
|
6) tissues
|
7) organs
|
8) organ systems
| |
9) organisms
|
Atoms - CORRECT ANSWER✔✔-smallest unit of matter
| | | | | |
Molecules - CORRECT ANSWER✔✔-at least 2 atoms bonded together (AKA
| | | | | | | | | |
compound)
Macromolecules - CORRECT ANSWER✔✔-large molecule, several specific classes
| | | | | | |
,Organelles - CORRECT ANSWER✔✔-compounts of a cell with specific structure
| | | | | | | | | |
and function
|
cells - CORRECT ANSWER✔✔-functional unit of life, most basic structure
| | | | | | | | | |
considered alive, cytoplasm surroudned by plasma membrane
| | | | | |
tissues - CORRECT ANSWER✔✔-group of similar cells, their products, and the
| | | | | | | | | | |
mateirals surroudning those cells (EX: muscle tissues, nervous tissue)
| | | | | | | |
Organs - CORRECT ANSWER✔✔-two or more tissues functioning together (EX:
| | | | | | | | | |
biceps brachii, stomach)
| |
Organ systems - CORRECT ANSWER✔✔-mulitple organs functioning together (EX:
| | | | | | | | |
digestive system, nervous system) | | |
Organism - CORRECT ANSWER✔✔-multiple organ systems functioning together
| | | | | | | |
(AKA humans!)
|
Gradient - CORRECT ANSWER✔✔-a system in which there is a difference in the
| | | | | | | | | | | | |
amount of anyhting between two points ( EX: oxygen levels of blood vs. lungs)
| | | | | | | | | | | | |
What is gradient flow? - CORRECT ANSWER✔✔-The movement of gradient
| | | | | | | | | |
components from areas of high concentration to low concentration.
| | | | | | | |
,What is diffusion? - CORRECT ANSWER✔✔-The spontaneous movement of
| | | | | | | | |
particles from areas of high concentration to low concentration.
| | | | | | | |
What does it mean for gradient components to 'flow down' their gradient? -
| | | | | | | | | | | | |
CORRECT ANSWER✔✔-It means they move from areas of high concentration to
| | | | | | | | | | |
low concentration.
|
What is required for movement 'up' a gradient? - CORRECT ANSWER✔✔-Energy
| | | | | | | | | | |
is required to move up a gradient.
| | | | | |
What is a concentration gradient? - CORRECT ANSWER✔✔-There's more of an
| | | | | | | | | | |
object at point A than point B.
| | | | | |
What is another name for a concentration gradient? - CORRECT ANSWER✔✔-
| | | | | | | | | |
Molecular gradient. |
What is a temperature gradient? - CORRECT ANSWER✔✔-Difference in
| | | | | | | | |
temperature between points A and B. | | | | |
What is another name for a temperature gradient? - CORRECT ANSWER✔✔-
| | | | | | | | | |
Thermal gradient. |
What is a pressure gradient? - CORRECT ANSWER✔✔-Difference in pressure
| | | | | | | | | |
between points A and B. | | | |
, What is an electrical gradient? - CORRECT ANSWER✔✔-Difference in charge
| | | | | | | | | |
between points A and B. | | | |
Homeostasis - CORRECT ANSWER✔✔-maintenance of a relatively stable internal
| | | | | | | | |
enviroment
feedback systems control homeostasis - CORRECT ANSWER✔✔-- Negative
| | | | | | | |
feedback systems: oppose change,maintain homeostasis
| | | |
- Positive feedback systems: amplify change,oppose homeostasis
| | | | | |
What is the variable in a feedback system? - CORRECT ANSWER✔✔-The
| | | | | | | | | | |
physiologic component being maintained.
| | |
What is the set point in a feedback system? - CORRECT ANSWER✔✔-The ideal
| | | | | | | | | | | | |
normal value of a particular variable.
| | | | |
What is the normal range in a feedback system? - CORRECT ANSWER✔✔-The
| | | | | | | | | | | |
values of a particular variable as it fluctuates around the set point.
| | | | | | | | | | |
What is a stimulus in a feedback system? - CORRECT ANSWER✔✔-A deviation of
| | | | | | | | | | | | |
the variable away from the set point.
| | | | | |
What does a receptor do in a feedback system? - CORRECT ANSWER✔✔-
| | | | | | | | | | |
Monitors the value of the variable.
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