In the molecules AMP, ADP and ATP, "A" stands for which of the following?
A) the alkaloid atropine
B) the amino acid alanine
C) the amino acid arginine
D) the nucleoside adenosine
D
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Sea levels were higher in the Mesozoic than they are today
a. True b. False
Assume that water filling a crack in a rock undergoes cycles of freezing and melting. Which of the following statement is true?
A) Water expands as it melts, causing the crack walls to be pushed apart. B) Water shrinks as it melts, causing the crack walls to be pulled closer together. C) Water expands as it freezes, causing the crack walls to be pushed apart. D) Water shrinks as it freezes, causing the crack walls to be drawn closer together.
Should scientists be encouraged to make short term earthquake predictions even though the current methods for such predictions are very unreliable?
What will be an ideal response?
what are characteristics of fungus
a. fungi are heterotrophic eukaryotes b. fungi are more closely related to plants than animals c. fungi are important for decomposition in the ecosystem d. all fungi are multicellular eukaryotes e. yeasts are types of fungi f. cellulose makeup up the cell wall of fungi g. fungi store carbohydrates as glycogen