_________ are DNA triplets used to specify a protein's amino acid sequence
Fill in the blank with the appropriate word.
ANS:
Codons
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An antibiotic is added to a culture of E. coli, resulting in death of the cells. Bacteriophage are then added. Would the phage replicate in the E. coli cells? Why or why not?
A. Yes, because the machinery inside the cells is most likely still active, even though the cells are no longer living. The virus could use that machinery to replicate new virus particles. B. No, because the virus would depend too much on having the active machinery of a living cell for its replication. Without the ability of the cell to try to replace what is lost/damaged/used as the virus goes through its life cycle, the virus couldn't reproduce effectively. C. Yes, because viruses are capable of reanimating dead cells to force them to produce more virus particles. D. No, because entry of the virus into the target cell is dependent on the cell being alive to conduct endocytosis of the virus.
Excess amounts of which sugar are used by plants to make glucose?
A) G3P B) RuBP C) NADPH D) fructose
What process could result from the natural selection explained by Darwin in his book The Origin of Species?
What will be an ideal response?
Respond to the following statements with reference to the five plant micronutrients listed below.
A. This nutrient is a component of chlorophyll and many enzymes. B. This nutrient plays an important role in cell wall formation. C. This nutrient is a cofactor in photosystem II and also functions in signaling. D. This nutrient is a component of many proteins, and serves as cofactor for many enzymes. E. This nutrient is involved as cofactor in electron transfer chains.