A. What is the “Fluid Mosaic Model” of biological membranes and
give an example as to why it is critical for cellular function?
B. What is homeoviscous adaptation? Why is it important for an
organism? What strategies do organisms use to accomplish it?
Describe the fluid mosaic model of the plasma membrane. Discuss
the role of the membrane in the movement of materials through it by
each of the following processes.
Active transport
Passive transport
Describe negative and positive feedback loops, and discuss how
feedback mechanisms regulate each of the following.
The menstrual cycle in a nonpregnant human female.
Blood glucose levels in humans.
Discuss the adaptations that have enabled flowering plants to
overcome the following problems associated with life on land.
The...
Describe in detail the fluid-mosaic model of the plasma membrane
and how the phospholipid cotent affects membrane fluidity? How is
membrane fluidity assessed?
a. What is fluid mosaic model of cell membrane and what is its
functional importance?
b. Describe the differences between active and passive transport
of material across membrane with examples.
Identify two features of the fluid mosaic model that
inaccurately represent real biological membranes. Describe why they
are wrong and how the fluid mosaic model could be improved to be a
more accurate representation of biological membranes.
Describe the fluid mosaic model (cell membrane):
Cilia
Flagella
Microvilli
Gap junction
Tight junction
Desmosome (adhering junction)
Define
Transport
Diffusion
Osmosis
Active transport
Facilitated diffusion
Exocytosis
Endocytosis
Phagocytosis
Pinocytosis
Receptor-mediated endocytosis
Hypertonic
Hypotonic
Isotonic
A cell (46% salt) is placed in a solution of 21% salt. The cell
is in a(n) ______________ solution, and it will
____________________ weight.
A cell (12% sugar) is placed in a...