Many receptor tyrosine kinase pathways have MAPK as a downstream signaling component. MAPK can phosphorylate target proteins. What type of signaling molecule is MAPK?
A. Adapter protein
B. Scaffold
C. Second messenger
D. Enzyme
Answer: D
You might also like to view...
Greenhouse gases include ____
a. carbon dioxide, water, nitrogen, and hydrogen b. carbon dioxide, water, methane, ozone, and nitrous oxide c. carbon dioxide, phosphorous, water, and ozone d. carbon dioxide, methane, and carbon monoxide e. carbon dioxide, ozone, nitrous oxide, and phosphorous
Properties of effective antigens include all of the following except
A. they are large molecules with a minimum molecular weight of 1,000. B. they have molecular complexity. C. they are foreign to the immune system. D. they are cells or large, complex molecules. E. they are large polymers made up of repeating subunits.
Even though the steps of photosynthesis that actually produce sugar molecules are part of the carbon
fixation reactions, the light-dependent reactions are absolutely essential for sugar synthesis. Explain the role of the light-dependent reactions in the formation of the end products of photosynthesis. What will be an ideal response?
Major risk factors for lung cancer include:
A) female sex and age over 40 years. B) frequent respiratory infections and asthma. C) cigarette smoking and exposure to asbestos. D) chewing tobacco use and a history of allergies.