Questions and Answers Graded A+|Assured Success
What is the definition of biochemistry? - CORRECT ANSWER-Often referred to as
the chemistry of life, biochemistry asks how the remarkable properties of organisms
relate to their molecules.
What is another name for firefly? - CORRECT ANSWER-lightning bug
,Is Li an element common in biological organisms? - CORRECT ANSWER-No. (See
Figure 1.3 for the common elements).
What is known as the "medium of life"? - CORRECT ANSWER-Water
What is the bond angle associated with trigonal pyramidal shape? - CORRECT
ANSWER-107.5 degrees
Are transition metals commonly found in biological organisms? - CORRECT
ANSWER-Yes. They are trace elements in organisms. (See Figure 1.3 for examples.)
True or false: Water can make up 85% (by mass) of a living organism - CORRECT
ANSWER-True
True or false: Large elements tend to make the strongest covalent bonds. - CORRECT
ANSWER-False. Smaller elements tend to make the strongest bonds due to significant
overlap.
What are three ways that biochemists study biological organisms? - CORRECT
ANSWER-Biochemists study 1) the relationship between structure and function of
biomolecules, 2) chemical reactions of organisms (metabolism), and 3) communication
within and among organisms.
What is the definition of biochemistry? - CORRECT ANSWER-Often referred to as
the chemistry of life, biochemistry asks how the remarkable properties of organisms
relate to their molecules.
, What is another name for firefly? - CORRECT ANSWER-lightning bug
Is Li an element common in biological organisms? - CORRECT ANSWER-No. (See
Figure 1.3 for the common elements).
What is known as the "medium of life"? - CORRECT ANSWER-Water
What is the bond angle associated with trigonal pyramidal shape? - CORRECT
ANSWER-107.5 degrees
Are transition metals commonly found in biological organisms? - CORRECT
ANSWER-Yes. They are trace elements in organisms. (See Figure 1.3 for examples.)
True or false: Water can make up 85% (by mass) of a living organism - CORRECT
ANSWER-True
True or false: Large elements tend to make the strongest covalent bonds. - CORRECT
ANSWER-False. Smaller elements tend to make the strongest bonds due to significant
overlap.
Name three bulk elements. Name three trace elements. - CORRECT ANSWER-Bulk
elements (three of these): H, C, N, O, Na, P, S, Cl, K, and Ca
Trace elements: Mg, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Se, Mo, I, and W.
The following statement is incorrect. Rewrite the statement to be correct.
Statement: Organic chemistry is the study of metal compounds, while inorganic
chemistry is the study of carbon compounds. - CORRECT ANSWER-Organic