The finding that integrin-linked kinase (ILK) is required for focal adhesion function but its kinase activity is not, suggests the protein acts as a
A) direct connection to the ECM.
B) linker protein.
C) scaffolding protein.
D) cytoskeletal filament.
E) signaling protein.
Answer: C
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True or false: mutations always result in the death of the organism which acquires them
A. true B. false
Which of the following is illustrated by one bird species evolving into five other species, each with their own unique characteristics?
a. adaptive radiation b. dispersal c. adaptation d. descent with modification
When selection increases one feature of an organism at the expense of another, we speak of an evolutionary ________
Fill in the blank(s) with correct word
What initiates the sodium-potassium pump?
A. two potassium ions are transported into the cell. B. ATP binds to the protein which becomes phosphorylated (ADP is released). C. phosphorylated pump has low affinity for sodium allowing sodium to leave and potassium to bind. D. three sodium ions bind to the cytoplasmic side of the protein. E. three sodium ions are translocated out of the cell.