STRAIGHTERLINE MICROBIOLOGY LAB BIO250L LAB 7 EXAMINATION TEST 2026 COMPLETE QUESTIONS AND SOLUTIONS GRADED A+

STRAIGHTERLINE MICROBIOLOGY LAB
BIO250L LAB 7 EXAMINATION TEST 2026
COMPLETE QUESTIONS AND SOLUTIONS
GRADED A+

⩥ what is the correlation between molecular mass and rate of diffusion.
Answer: the larger and heavier the molecule the slower it will diffuse


⩥ osmosis. Answer: Diffusion of water through a selectively permeable
membrane


⩥ selectivly permeable membrane. Answer: membrane that only allows
certain things to come in while keeping other things out


⩥ hypertonic. Answer: the concentration of solutes is greater outside the
cell than inside it


⩥ hypotonic. Answer: the concentration of solutes is greater inside the
cell than outside of it


⩥ isotonic. Answer: the concentration of solutes is the same inside and
outside the cell

, ⩥ apical surface of epithelial tissue. Answer: layer of cells closest to the
lumen


⩥ basal surface. Answer: The bottom layer of epithelial tissue that
attaches to the basement membrane


⩥ basement membrane. Answer: Cells at the base of an epithelial layer
are attached to this.


⩥ simple epithelium. Answer: single layer of cells


⩥ stratified epithelium. Answer: multiple layers of cells


⩥ goblet cells. Answer: cells that secrete mucus


⩥ cilia. Answer: The hairlike projections on the outside of cells that
move in a wavelike manner


⩥ lumen. Answer: An open space, such as within a blood vessel or the
intestine or outside the body (A)


⩥ simple squamous epithelium. Answer: identify the type of epithelial
cells