Lichens are composed of a symbiosis of fungi and which of the following?
A. green algae
B. cyanobacteria
C. euglenoids
D. cyanobacteria or green algae
E. euglenoids or dinoflagellates
Answer: D
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The meshwork that forms the fabric of a blood clot mostly consists of
A. fibrinogen. B. fibrin. C. thrombin. D. prothrombin. E. collagen.
____ assist and nourish cells that transmit electrical signals
a. Receptors b. Neurons c. Effector cells d. Glial cells e. Signal cells
In DNA replication, the lagging strand:a
is synthesized as a series of Okazaki fragments. b. is synthesized as a complementary copy of the leading strand. c. pairs with the leading strand by complementary base pairing. d. is made up entirely of RNA primers. e. is not synthesized until the synthesis of the leading strand is completed.
Tetanus, which humans acquire from wounds that become infected with the soil microbe Clostridium tetani, is considered noncommunicable.
a. true b. false