Microscopic fossils are also called microfossils
A. These minerals are needed as cofactors
for enzymes needed in photosynthesis.
B. These minerals are needed as cofactors
for enzymes needed in cellular respiration.
C. These skeletons allow for more complex
reactions to take place inside the cell.
D. These skeletons probably afforded them
protection from being eaten.
E. These minerals are necessary to maintain
genome integrity.
D
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Nontreponemal antibodies are those that are:
a. produced against antigens of the organ-isms themselves. b. produced by infected patients against components of mammalian cells. c. produced by the organism that causes the systemic destruction of the disease. d. also called heterophile antibodies.
The cartilaginous organ between the pharynx and the trachea, which contains the vocal cords in humans is called the ________.
Fill in the blank(s) with the appropriate word(s).
What is the likelihood that a patient infected by West Nile virus will develop West Nile encephalitis?
A. Greater than 20% B. Between 1% and 10% C. Greater than 50% D. Between 10% and 15% E. Less than 1%
Which of these is the best example of an umbrella species?
A. northern spotted owl B. giant panda C. cogongrass D. Burmese python E. American beaver