Because oxygen is more electronegative than hydrogen, the water molecule is:
A. hydrophobic.
B. hydrophilic.
C. nonpolar.
D. ionic.
E. polar.
E
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The ________ model of succession proposes that early successional species modify the environment so that it becomes more suitable for later successional species
Fill in the blank(s) with correct word
Protein kinases are enzymes that transfer the terminal phosphate from ATP to an amino acid residue on the target protein. Many are located on the plasma membrane as integral membrane proteins or peripheral membrane proteins
What purpose may be served by their plasma membrane localization? A) ATP is more abundant near the plasma membrane. B) They can more readily encounter and phosphorylate other membrane proteins. C) Membrane localization lowers the activation energy of the phosphorylation reaction. D) They flip back and forth across the membrane to access target proteins on either side.
Brown recluse spiders can be dangerous. Where would you find them?
a. All across Georgia b. In southeast Georgia c. In northwest Georgia d. In southwest Georgia, near Alabama border
Burning wood is a reverse reaction of photosynthesis. What products are formed from burning wood?
A. carbon dioxide and water B. glucose and oxygen C. oxygen and carbon dioxide D. oxygen and water E. carbon dioxide and glucose