A. Read pages 168-173.
Due 28 January.
Terms &
Concepts:
Appreciate the role of early technology, ie the development of
microscopes, on the modern study of cells. Be able to describe the
contributions of scientists such as Hooke, van Leeuwenhoek, Schleiden,
Schwann, and Virchow to the development of the modern Cell Theory. Be
able to state and discuss the three tenets of the cell theory. Be
aware of the different types of microscopes such as the transmission
and scanning electron microscopes. Appreciate the wide variety of
cell types. In particular, be able to describe the differences between
prokaryote and eukaryote cells. Be able to give examples of organisms
from each of these groups.
Questions
pages 197-198: 1-3, 11, 12.
B. Read
pages 174-181. Due 30 January.
Terms &
Concepts:
This section outlines the basic structure of eukaryotic cells and their
typical organelles. Know the function, location, and basic structure of
each organelle. You should also be able to describe the physical and
functional relationships among these structures. Understand the relationship of the structures in the nucleus, especially the DNA, chromosomes, and chromatin. Be aware of the relationship between the nucleolus and the ribosomes in the cytoplasm. Be able to describe the interdependent functions of the endoplasmic reticulum, Gogli Apparatus, and transport vesicles. Appreciate the special role that chloroplasts and mitochondria have in the energy requirements of the cell. Be able to describe the components of the cytoskeleton and their varied functions in cell movement and transport of materials throughout the cell.
Questions
pages 197-198: 4-6, 13-16..
C. Due 2 February. Questions pages 197-198: 17-19, 29.
D. Read
pages 182-189. Due 5 February.
Terms &
Concepts: Use the diagram on page 182 to understand the structure of the lipid bilayer of cell membranes. Be able to describe the relationship between the phospholipid and protein
molecules of these membranes. Understand the several important
functions of these molecules in the functions of the cell membrane.
Appreciate the common structure of the cell membrane and the membranes
of the organelles in the cell. Distinguish between the cell wall of
plants and the cell membrane of all cells. Be able to describe its
composition and function. Be able to describe the processes of diffusion in terms of concentration gradients and movement of molecules to a state of equilibrium. Appreciate that osmosis is a special type of diffusion involving water moving through a selectively permeable membrane. Be able to describe the movement of water in terms of hypertonic and hypotonic concentrations. Understand the role of osmotic pressure in the maintenance of plant cell shape. Understand the role of membrane proteins in the process of facilitated diffusion. Distinguish between passive and active transport
in terms of energy requirements and the direction of movement of
material along concentration gradients. Understand the role of membrane
proteins and the cell membrane itself in active transport
mechanisms such as exocytosis and endocytosis.
Questions
pages 197-198: 20-24, 26, 27.
E. Due 10 February. Questions
pages 197-198: 28, 30. F. Read
pages 190-193. Due 11 February. Terms &
Concepts: Appreciate the difference between unicellular and multicellular organisms and the role of cell specialization
in multicellular organisms. Be able to describe the major differences
between animal and plant cells in terms of their organelles and the
types of cells in animals and plants. Be able to list and give examples
of the various level of organization in an multicellular organism such
as tissue, organs, and organ systems. Questions
pages 197-198: 25, 31, 33, 34.
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