A&P 1 101 EXAM MODULE 2 3 COMPREHENSIVE EXAMINATION TEST 2026 SOLVED QUESTIONS ANSWERS GRADED A+

A&P 1 101 EXAM MODULE 2 3 COMPREHENSIVE
EXAMINATION TEST 2026 SOLVED QUESTIONS
ANSWERS GRADED A+

◉ Plasma (Cell) Membrane.
Answer: -outer limiting boundary of the cell


◉ Cytoplasm.
Answer: everything between the plasma membrane and the nucleus


◉ Cytosol.
Answer: intracellular fluid (H2O + lots diff molecules)


◉ Organelles.
Answer: small complex structures that perform specific functions


◉ Inclusions.
Answer: clusters of a single type of molecule (melanin, glycogen,
mucus)


◉ intracellular.

,Answer: inside the cell


◉ Extracellular.
Answer: outside the cell


◉ membrane structure.
Answer: phospholipid bilayer and membrane proteins
- GROUT


◉ phospholipid bilayer.
Answer: phosphate heads-hydrophilic
fatty acid tails- hydrophobic


◉ Membrane proteins.
Answer: half the weight of the membrane
-TILES
proteins float in a 'sea' of phospholipids


◉ integral proteins.
Answer: -embedded in bilayer
- form channels for protein
-mechanical anchor points

, -cell-to-cell recognition and connections


◉ peripheral proteins.
Answer: -loosely attached to inner or outer surface
-cell to cell recognition


◉ microvilli.
Answer: -fingerlike extensions of the cell membrane
-increase surface area of membrane


◉ membrane junctions.
Answer: connect and support cells


◉ tight junctions.
Answer: -rows of integral proteins that 'spot weld' adjacent cells
together
-forms impermeable barrier (digestive tract)


◉ desmosomes.
Answer: - short linker proteins that cross the space between cells
together
-forms impermeable barrier (skin)