What is the purpose of mitosis in living organisms?
What will be an ideal response?
ANSWER: Multicellular organisms mainly use cell division by mitosis for growth and for cell
replacement and repair.
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Of the proteoglycans associated with the extracellular matrix in vertebrates, which of the following is associated with the lubrication of joints?
A) chondroitin sulfate B) glucuronate C) hyaluronate D) keratan sulfate E) mucoproteins
The concentration of a solution expresses the amount of solvent present.
Answer the following statement true (T) or false (F)
Endorphins are ____
a. neuromodulators only b. stimulators of brain and nervous activity only c. inhibitors of pain perception only d. neuromodulators and stimulators of brain and nervous activity e. neuromodulators and inhibitors of pain perception
One could say that arrestins are __________ of heterotrimeric G-protein binding to GPCRs.
a) allosteric inhibitors b) feedback inhibitors c) competitive inhibitors d) noncompetitive inhibitors