Pathology Questions
Explore questions in the Pathology category that you can ask Spark.E!
If you want two sister chromatids together (XYY or YY) it is nondisjunction in meiosis what?
If you want two non sister chromatids together (XY) it is nondisjunction in meiosis what?
granular material visible within the nucleus
When a receptor protein in a cell membrane acts as an enzyme, the receptor protein
the discharging of material to the outside of a cell using vesicles is called
A difference in the concentration of a substance across a distance.
occurs when the plasma membrane surrounds a large substance outside the cell and moves it inside the cell
anything that carries information between cells, serving to direct or warn
a molecule that has a glycerol backbone, two fatty acid chains, and a phosphate containing compound
involves water moving across the plasma membrane to the side with the greater solute concentration
the condition that results when diffusion continues until the concentrations are the same in all areas
occurs when substances move against the concentration gradient; requires energy and the aid of carrier proteins
a protein that transports substances across a cell membrane
Two transport processes that allow large substances to cross the plasma membrane.
referring to the one with a lower solute concentration causing the cell to swell - remember HYPO:HIPPO (large)
the movement of particles from a higher concentration to a lower concentration. Passive Transport
the phospholipid "sea" in which embedded substances float
The pressure that water molecules exert against the cell wall IN PLANTS.
A model that describes the structure of cell membranes. In this model, a flexible layer made of lipid molecules is interspersed with large protein molecules that act as channels through which other molecules enter and leave the cell.
Who concluded that all cells come from previously existing cells?