Aside from using light as a source of energy, another important part of the functional diversity of some bacterial phototrophs is their ability to
A) bioluminesce.
B) form prosthecate and stalked cells.
C) fix nitrogen gas.
D) degrade neurotoxins.
Answer: C
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The accompanying figure best illustrates ____
a. DNA repair b. semiconservative replication c. the action of the ligases d. the binding of initiator proteins e. DNA hybridization
In some animals, such as the marsh wren, one male bird mates with several females. This is known as:
a. polygyny. b. polyandry. c. monogamy
d. a dominance hierarchy. e. codominance.
Which type of tissue performs photosynthesis in leaves?
a. cork b. epidermis c. parenchyma d. phloem
The most common respiratory pigments in animals are:a
myoglobin and hemocyanin. b. myoglobin and hemoglobin. c. hemocyanin and hemoglobin. d. mucus and hemoglobin. e. pulmonary surfactant and myoglobin.