Which of the following associations is incorrect?
A) Lyme disease . . . tick
B) plague . . . rat flea
C) Rocky Mountain spotted fever . . . tick
D) typhoid fever . . . mosquito
D) typhoid fever . . . mosquito
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Small internal cell structures are best visualized with a
A. dark-field microscope. B. flagellar microscope. C. light microscope. D. transmission electron microscope.
Respond to statements 82–85 with reference to the five plant
macronutrients listed below. a. nitrogen b. potassium c. magnesium d. phosphorus M 82. This nutrient helps to maintain turgor pressure. M 83. This nutrient is an extremely important part of ATP. M 84. This nutrient is an important part of the backbone structure of DNA. M 85. This nutrient is essential to formation of chlorophyll and acts as a cofactor for many enzymes.
In DNA
a. G pairs with T and A pairs with C. b. G pairs with A and C pairs with T. c. G pairs with C and A pairs with T. d. G pairs with C and U pairs with A.
One of the most common misconceptions about cellular respiration is that we inhale oxygen and that this oxygen is converted to carbon dioxide, which we exhale. Explain what happens to the oxygen we inhale during cellular respiration. Then explain where
the carbon dioxide we exhale comes from in cellular respiration. What will be an ideal response?