Describe five different functions of integral membrane proteins
What will be an ideal response?
Some membrane proteins act as ion channels or carriers that transport substances across the membrane. Other membrane proteins act as receptors that allow the cell to respond to various types of ligands. Other membrane proteins are enzymes that catalyze specific chemical reactions. Still other membrane proteins act as linker proteins that anchor cells to neighboring structures including other cells. Lastly, some membrane proteins serve as cell identity molecules.
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On an axial image, the colliculi are posterior to the peduncles and anterior to the _________________________.
Fill in the blank(s) with the appropriate word(s).
Bmr
a. is regulated by thyroid hormones. b. is affected by bile acids. c. is affected by the amount of fat in the diet. d. all of these.
Which of the following is produced by the pineal gland?
A. Melanin B. Dopamine C. Oxytocin D. Melatonin E. Thymosin