During signal transduction involving G protein and cAMP, what do protein kinases add to target proteins?
a. enzyme
b. substrates
c. calmodulin
d. calcium ions
e. phosphate groups
e
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Which is true of listeriosis?
A. It is a foodborne disease. B. It may result in meningitis. C. It is usually asymptomatic in healthy people. D. It is caused by an organism that can grow at refrigerator temperatures. E. All of the choices are correct.
Which of these is NOT an evolutionary advantage of the first cell membranes?
A) Membranes allow cells to move independently. B) Membranes allow for cells to be compartmentalize. C) Membranes allow substances to be concentrated inside a cell, or pumped outside. D) Membranes allow genotypes and the phenotypes they produce to stay linked. E) All of the above are advantages of cell membranes.
The aquaous humor is much ____ liquid behind the cornea to the _____.
Fill in the blank(s) with the appropriate word(s).
After their absorption from the gut lumen, monoglycerides and fatty acids are rejoined in the villi epithilia cells, forming lipid droplets called
What will be an ideal response?