Which of the following molecules can engage in hydrogen bonding?
A) HF
B) HCl
C) HBr
D) HI
A
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Which of the following energy forms is high quality?
a. Coal b. the heat dispersed in the ocean c. Electricity d. Food e. coal, electricity and food
Map T-9 shows an area near Park City, Kentucky, at a scale of 1:24,000. Using the appropriate graphic scale, determine the distance from the “Fairview Church” (in the southwest corner of the map) to the “X” marked “BM 585” along the Louisville and Nashville railway:
_____ feet _____ miles _____ kilometers
Animals that move on four limbs are ____________________, while animals that move on two limbs are
____________________. Fill in the blank(s) with the appropriate word(s).
How does the body utilize amino acids which are not needed for the synthesis of proteins and other biological molecules?
A) It catabolizes them. B) It stores them. C) both a and b D) neither a nor b