Is the study presented above a controlled experiment?
A) Yes, because only the amount of fertilizer was changed, everything else was kept the same.
B) Yes, because many pots were used.
C) No, because the experiment was done only once.
D) No, because several different amounts of fertilizers were used, not just one amount.
A
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How many net ATP are produced during glycolysis?
a. 1 b. 2 c. 3 d. 4
The diaphragm is responsible for what?
a. pushing on the lungs during exhalation b. pulling on the lungs to inflate them c. creating negative pressure around the lungs d. creating positive pressure around the lungs
According to the cohesion-tension mechanism of water transport, which of the following DOES NOT
contribute to the flow of the xylem sap?
a. hydrogen bonds between water molecules b. adhesion of water molecules to the xylem vessel walls c. evaporation of water from the leaves d. water potential in leaf cells below that of the leaf xylem e. root pressure
If a cell's splicesomes were mutated so they no longer functioned normally, what consequences would result?
A. Introns would remain in the mature mRNA. B. Transcription would cease. C. Exons would be missing in the mature mRNA. D. RNA processing would remain intact. E. A functional protein would still be produced.