5) The graph to the right illustrates the role of enzymes in a biological reacti

Question

5) The graph to the right illustrates the role of enzymes in a biological reaction. Which labeled portion of the graph accurately depicts the activation energy of an enzyme? needed in the presence A. E. 6) The tree of life classification scheme for life on earth is based on comparisons of A. cell shape B. metabolic activities C. phenotypic properties of living organisms D. nucleotide E. ribosome sizes ("80S" vs. "70S") sequences of genes encoding ribosomal RNA 7) Which of the following transport processes requires the expenditure of energy, in order for a bacterium to transport a substance into the cell? A. Facilitated diffusion B. Osmosis C. Group Translocation D. Glycolysis E. More than one of the above choices is correct 8) The structure identified in the image to the right is best described as a A. flagellum B. pilus C. holdfast D. biofilm E. glycocalyx 1-2 of 10

Explanation / Answer

5.B)

6.C) phenotypic properties of of living organisms

7. A) fecilitated diffusion.

8.B) pilus

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