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HAPS Exam Study Guide Questions &
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Name the 2 types of homeostasis:,
֎ -:- ,Positive & Negative,
"The ability to maintain a constant, physiological, internal environment:",
֎ -:- ,Homeostasis,
The body's maintenance of body temperature is an example of ___________ feedback.,
֎ -:- ,negative,
Bloodclotting is an example of ___________ feedback. The response is occurring in the same
direction as the stimulus.,
֎ -:- ,positive,
Name the 2 body cavities within the dorsal body cavity:,
֎ -:- ,1) Cranial Cavity (brain) 2) Vertebral Cavity (spinal cord),
Name the 2 MAIN cavities within the ventral cavity:,
֎ -:- ,1) Thoracic Cavity 2) Abdominopelvic Cavity,
"The ________ ___________ is the cavity located between the 2 pleural cavities, and contains both
the _________ cavity and ___________ _________.",
֎ -:- ,medial mediastinum / pericardial / superior mediastinum,
Cavity containing the heart:,
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֎ -:- ,pericardial cavity,
The __________ and the __________ are contained in the superior mediastinum.,
֎ -:- ,trachea / esophagus,
The digestive organs are contained within the ___________ cavity.,
֎ -:- ,abdominal cavity,
This cavity contains some reproductive organs and the bladder:,
֎ -:- ,Pelvic cavity,
A linear array of amino acids joined by peptide linkage:,
֎ -:- ,Primary Structure,
A coiling or bending of the primary structure. This involves Hydrogen bonding:,
֎ -:- ,Secondary Structure,
"A coiling or bending of the secondary structure. Involves: Hydrogen, Ionic, & Covalent
(disulfide)bonds, as well as hydrophobic interactions:",
֎ -:- ,Tertiary Structure,
"Globular, 3-dimensional proteins:",
֎ -:- ,Tertiary Structure,
More than one polypeptide chain in a grouping:,
֎ -:- ,Quaternary Structure,
Polypeptide strands can form ________ sheets or _________. These strands are ___________
structure.,
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֎ -:- ,pleated / helices / secondary,
"Greatly increasing the temperature will __________ enzymes, stopping their intended reaction.",
֎ -:- ,denature,
"Slightly increasing temperature causes enzymes to work more effectively, speeding up the
reaction. True or false?",
֎ -:- ,TRUE,
"At very low temperatures, enzymes will work very slowly or become ________, but will NOT
become ___________.",
֎ -:- ,inactive / denatured,
"Most enzymes have an optimal ____. If changed, the ability of the enzyme to work at peak activity
is disrupted.",
֎ -:- ,pH,
The net movement of water across a semi-permeable membrane from an area of low concentration
of solutes to high concentration of solutes:,
֎ -:- ,osmosis,
_________ _________ is the net movement of particles from an area of high concentration to low
concentration.,
֎ -:- ,simple diffusion,
Non-polar materials are _______ ___________.,
֎ -:- ,freely permeabe,
"Polar materials are not freely permeable, but may enter the cell through a ________ _________.",
֎ -:- ,protein channel,
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