The illustration above shows a representation of formic acid. A formic acid molecule _____
A) will form hydrogen bonds with water molecules
B) has a tetrahedral configuration of hybrid electron orbitals for the carbon atom
C) consists of largely nonpolar covalent bonds
D) is held together by hydrogen bonds
E) has a pyramidal shape and will form hydrogen bonds with water molecules
Answer: A
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Protein X contains four transmembrane domains, a short N-terminus and a long C-terminus. Following protein synthesis, the N-terminus of the protein faces the lumen (the inside) of the ER. After protein X is transported to the cell surface via exocytosis, you would expect the N-terminus of protein X to be
A. extracellular. B. cytoplasmic. C. in the lumen. D. in the lipid bilayer of the plasma membrane.
The mercury in fish is normally in the form of elemental mercury (Hg0)
Indicate whether the statement is true or false.
Now compare your answer to 4c to your answer to 3c. With the passage of time, have A1 and A2 become more or less genetically distinct?
A. more genetically distinct B. less genetically distinct
A diffuse, spreading infection of subcutaneous skin tissue is ________.
A. glomerulonephritis B. cellulitis C. rheumatic fever D. erysipelas