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A&P I Final Exam – ECPI Questions and Answers
A&P I Final Exam – ECPI Questions and Answers
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A&P I Final Exam – ECPI Questions andAnswers
Anatomy - Answers -The study of body structure
physiology - Answers -The study of body function
Anatomical position - Answers -To stand erect with arms at the sides and palms of the
hands turned forward
Homeostasis - Answers -process by which organisms maintain a relatively stable
internal environment
Levels of organization - Answers -subatomic particles, atom, molecule, macromolecule,
organelle, cell, tissue, organ, organ system, organism
Planes of the body - Answers -sagittal, frontal, transverse
Cervical vs cephalic - Answers -neck vs. head (cephalic has H in it)
peroxisomes - Answers -Contain oxidase enzymes that detoxify alcohol, hydrogen
peroxide, and lipids
pH scale - Answers -acid = lower than 7
neutral = 7
base = higher than 7
Organic - Answers -Contains carbon
inorganic - Answers -Does not contain carbon
Building blocks for carbs - Answers -monosaccharides or simple sugars
Building blocks of proteins - Answers -amino acids
Building blocks of nucleic acid - Answers -nucleotides
Phospholipids - Answers -A molecule that is a constituent of the inner bilayer of
biological membranes, having a polar, hydrophilic head and a nonpolar, hydrophobic
tail.
, Covalent vs ionic bond - Answers -covalent- electrons are SHARED between atoms
ionic- electrons are received or donated (at war, because they take electrons from each
other)
Proton - Answers -positively charged particle
neutron - Answers -no charge
electron - Answers -negatively charged particle
Atomic Number - Answers -the number of protons in the nucleus of an atom
mass number - Answers -the sum of the number of neutrons and protons in an atomic
nucleus
Nucleus - Answers -- A part of the cell containing DNA and RNA and responsible for
growth and reproduction - center of cell
Nucleolus - Answers -Makes ribosomes
Mitochondria - Answers -Powerhouse of the cell, organelle that is the site of ATP
(energy) production
Lysosomes - Answers -- trash can of the cell - cell organelle filled with enzymes needed
to break down certain materials in the cell
Golgi apparatus - Answers -- postal service of the cell - A system of membranes that
modifies and packages proteins for export by the cell
Endoplasmic Reticulum - Answers -A cell structure that forms a maze of passageways
in which proteins and other materials are carried from one part of the cell to another.
Rough ER - Answers -- Contains ribosomes
- Responsible for protein synthesis
Smooth ER - Answers -- does not contain ribosomes
- responsible for lipid synthesis
Active Transport - Answers -the movement of materials through a cell membrane using
energy
passive transport - Answers -Requires NO energy, Movement of molecules from high to
low concentration, Moves with the concentration gradient
Pinocytosis - Answers -- A type of endocytosis in which the cell ingests extracellular
fluid and its dissolved solutes.
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