Which organizational unit includes the fewest species of organisms?

a. class
b. biosphere
c. community
d. population
e. ecosystem


d

Biology & Microbiology

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Which of the following is/are means whereby a catalyst can lower the activation energy of a reaction?

A) decreasing the number of reactive molecules B) altering the temperature within the cell to one appropriate for reactions to proceed C) quantum tunneling D) inefficient collisions E) permanently binding substrates

Biology & Microbiology

The diagram illustrates two-hybrid screening. In which discipline would this technique be used?


a. genomics
b. metabolomics
c. proteomics
d. bionomics

Biology & Microbiology

List the similarities and differences between the functions of the chloroplasts and mitochondria

Include the identification of specific structures in your comparison.What will be an ideal response?

Biology & Microbiology

There is an image in your packet # 115-117 2002 test Which of the following occurs in the tissue that is placed in 0.6 M sucrose?

A) The cells become turgid. B) The cells burst. C) The volume of the vacuoles decreases. D) The volume of the cytoplasm increases. E) The cells remain the same as before.

Biology & Microbiology