Read full document

Essay Ap Bio

Page 1 of 13
CELL QUESTION 1983: Describe the fluid-mosaic model of a plasma membrane. Discuss the role of the membrane in the movement of materials through it by each of the following processes. a. Active Transport b. Passive Transport STANDARDS: FLUID-MOSAIC MODEL: Max. = 9 points __ Singer/Nicholson or "differs from" Davson/Danielli __ Dynamic __ Phospholipid Bilayer __ Hydrophilic heads/hydrophobic tails and explanation __ Polar/Nonpolar __ Proteins - intrinsic/extrinsic __ Permeases (active + passive) __ Pores or apertures __ Functional "R" Groups __ Glycoproteins or carbohydrates (recognition) __ Diagrams appropriately used with explanation __ Selectivity TRANSPORT PASSIVE TRANSPORT: __ Definition of Diffusion __ Osmosis __ Size of molecule / polarity __ Facilitated Diffusion __ Function of pores ACTIVE TRANSPORT: __ Definition __ ATP __ ATPase __ Na+ /K+ Pump __ Substances diffuse in-need transport out __ Carrier molecules and specificity Max = 9 points

CELL QUESTION 1984: L. PETERSON/AP BIOLOGY Describe the structure of a generalized eukaryotic plant cell. Indicate the ways in which a nonphotosynthetic prokaryotic cell would differ in structure from this generalized eukaryotic plant cell. STANDARDS: STRUCTURE, as part of the eukaryotic cell: (1/2 point each) __ Cell Wall __ Cell Membrane __ __ __ __ __ Cytoplasm Vacuole Mitochondria Ribosomes Golgi Bodies DESCRIPTION: (1 point each) __ Cellulose __ Protein/phospholipid or phospholipid bilayer __ Fluid with dissolved substances __ Protein/phospholipid or water __ Cristae, folding convolutions __ Two Subunits __ Phospholipid/protein, cisternae, vesicles __ Stroma, grana, thylakoids __ Phospholipid/protein membrane or digestive enzyme __ Double nuclear membrane or envelope __ RNA present, fibrillar __ Double strand, DNA and Protein __ Cytoplasmic bridge __ Membrane Bound __ 9 + 2 __ Tubulin protein/actin protein MAX. = 7 points COMPARISONS/DIFFERENCES of a simple cell and a complex cell.

__ Chloroplasts __...

Rate this document

What do you think about the quality of this document?

Share this document

Let your classmates know about this document and more at Studymode.com