QUESTION 1
Part A. Draw a diagram of a (living human) cell membrane. Be sure to indicate (1) which side lies against the intracellular fluid (ICF) and which side lies against the extracellular fluid (ECF), (2) what types of molecules are shown, (3) which regions are hydrophobic and which are hydrophilic, (4) where carbohydrates are found.
Part B. Describe all the ways that a small ion, such as Na+, can typically get across the cell membrane of a living human cell. Consider both movement from ICF to ECF and from ECF to ICF.
Part C. Describe all the ways that a large protein can typically get across the cell membrane of a living human cell. Consider both movement from ICF to ECF and from ECF to ICF.
QUESTION 2
Describe how a gene is used by a human cell to make several different proteins. Include all the steps we discussed in class.
Consider (A) which gene is chosen, (B) how the gene is used to make a protein, (C) how the cell can use the same gene to make two different proteins
QUESTION3
Describe the anatomy and physiology of four distinct types of histological membranes.
(A) Include precise descriptions of any epithelial and any connective tissues that are typically found in each of these four types of histological membranes. (4 points per type of membrane).
(B) Give some description of the functions of each type of membrane (4 points per type of membrane).
(C) Giving one or more examples of where each type of histological membrane occurs in the human body can enhance your descriptions of their physiologies.
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