Enzymes function by

a. being consumed (used up) in the reaction.
b. lowering the activation energy of a reaction.
c. combining with otherwise toxic substances in the cell.
d. adding heat to the cell to speed up the reaction.


d

Biology & Microbiology

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Choose one molecular biology technique discussed in this chapter and argue why it is the single most

important technique for forensic scientists. Justify your answer with the benefits of this method compared to the others that are available to you.

What will be an ideal response?

Biology & Microbiology

The three cell types discussed, eukaryotes, archaea, and bacteria, all derived from ________.

A. photosynthetic bacteria B. archaea C. cells with a true nucleus D. the last universal common ancestor

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Slime molds were once classified as fungi. What characteristics of the slime molds distinguish them from fungi?

A. The vegetative state of the slime mold is mobile and amoeboid. B. They are flagellated cells at certain stages of the life cycle. C. Slime molds lack cell walls. D. All of these characteristics distinguish slime molds from fungi.

Biology & Microbiology

How is most O2 transported in the blood?

a. bound to hemoglobin b. as gas c. dissolved in the plasma d. as bicarbonate ions

Biology & Microbiology