The oldest known living ancestor of all fungi is
a(an)
a. lichen.
b. yeast.
c. chytrid.
d. amoeba.
e. cyanobacterium
C
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Peptidoglycan is a compound in ____
a. bacterial flagella b. bacterial cell walls c. archaean cell walls d. archaean flagella e. eukaryote cell walls
Which one of the following is a CORRECT statement regarding metabolism?
A) Few living organisms require raw materials and a constant source of energy. B) Plants get the raw materials they need for life processes entirely from the air. C) Cells maintain life through the breakdown of molecules and energy by chemical and physical processes. D) Cells do not require energy to change molecules from one form to another. E) Animals use energy obtained directly from the sun and chemicals obtained from plants, other animals, air, and water.
Which of the following is NOT a valid difference between traditional and modern forms of biotechnology?
A) Modern biotechnology can isolate and manipulate individual genes. B) Traditional biotechnology was based solely on selective breeding. C) Modern forms of biotechnology are slower than traditional forms of biotechnology. D) Traditional biotechnology can produce cloned animals with new genes.
Phylogeny research is LEAST likely to include which type of analysis?
A. Ggenetic B. Anatomical C. Behavioral D. Physiological E. Direct observation of evolution