Enzymes function to
A. react with other enzymes to form a product.
B. regulate messages between cells.
C. catalyze chemical reactions.
D. transport molecules and ions across membranes.
Answer: C
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According to Niko Tinbergen, Which question is least likely to be addressed by basic studies of animal behavior?
a. What is the behavior’s ecological function and how does it increase an animal’s chances of surviving and reproducing? b. How did the behavior evolve? c. Which mechanisms trigger a specific behavioral response? d. How does the expression of a behavior develop as an animal matures?
e. How will the behavior be displayed after future evolutionary processes occur?Mycorrhizal fungi obtain food from plants in exchange for water and nutrients. This is an example of
A. mutualism. B. commensalism. C. herbivory. D. parasitism. E. predation.
Scientists believe that mitochondria may have evolved from bacteria because
a. they both have cristae membranes. b. mitochondria have their own DNA. c. the shapes and sizes are exactly the same. d. both are surrounded by a cell wall. e. both can live independently
Which of the following would help conservation efforts in terms of increasing corridor use?
A) purchasing larger preserve areas B) purchasing areas being clear cut C) purchasing several small areas D) purchasing areas that connect protected areas