Using a pH meter, you find the pH of an unknown solution to be 8.0. How would you describe this solution?
a) weakly acidic
b) strongly basic
c) weakly basic
d) strongly acidic
Ans: c) weakly basic
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What is the difference between covalent bonds and ionic bonds?
A) Covalent bonds require carbon while ionic bonds do not. B) Covalent bonds involve the sharing of pairs of electrons between atoms; ionic bonds involve the sharing of single electrons between atoms. C) Covalent bonds involve the sharing of electrons between atoms; ionic bonds involve the electrical attraction between charged atoms. D) Covalent bonds involve the sharing of electrons between atoms; ionic bonds involve the sharing of protons between charged atoms. E) Covalent bonds involve the transfer of electrons between charged atoms; ionic bonds involve the sharing of electrons between atoms.
If a cell is permeable to a solute, that solute will diffuse either into or out of the cell depending on the direction of its concentration gradient
a. True b. False
Which of the following is NOT a somatic cell?
a. liver b. skin c. bone d. blood e. sperm
What is species diversity?
What will be an ideal response?