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Bio 252 Comprehensive Exam-Questions with Correct Answers/ Verified/ latest update (2024/2025)
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Bio 252 Comprehensive Exam-Questions with Correct Answers/ Verified/ latest update (2024/2025)
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Bio 252 Comprehensive Exam-Questions with Correct Answers/Verified/ latest update (2024/2025)
Transverse
Sagittal
Parasaggital
frontal plane
oblique plane
,Abdominal quadrants
abdomen regions
Homeostasis
process by which a living organism or system maintains a stable internal environment
despite external changes. It involves various physiological mechanisms that regulate factors
such as temperature, pH, glucose levels, and other critical variables within narrow limits to
ensure optimal functioning.
Negative Feedback
a change is made to correct an imbalance and as soon as the change is brought back into
homeostasis, the corrective change is stopped
Positive Feebback
,a change is made to correct an imbalance and that change is continued until (eventually) a
negative feedback stops the correction
Proton
Positive Charge
Neutrons
Neutral Charge
Electron
Negative Charge
Valence electron
§ in the outer most shell (or electron cloud) and are responsible for chemical reactions
Polar Covalent
A type of covalent bond where electrons are shared unequally between atoms, creating a
molecule with partial positive and negative charges.
Covalent Bond
A chemical bond where two atoms share one or more pairs of electrons equally or
unequally.
Hydrogen Bond
A weak bond formed between a slightly positive hydrogen atom in one molecule and a
slightly negative atom (often oxygen or nitrogen) in another molecule.
Ionic Bond
, A chemical bond where one atom donates an electron to another, resulting in the formation
of oppositely charged ions that attract each other.
Synthesis Reactions
take two smaller chemicals and combine them into a bigger chemical. Requires energy to
run (endothermic)
Decomposition Reactions
take a larger chemical and break it down into two smaller chemicals. Releases energy during
reaction (exothermic)
Synthesis Reactions
Endothermic
Decomposition Reactions
Exothermic
Reactants
the chemicals that start the reaction (usually on the left side of the equation)
Products
what you are left with when the reaction is complete (usually on the right side of the
equation)
Acid
willing to give up a H+ ion; has a pH less than 7
Neutral
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