What is a phospholipid?

A. A special kind of lipid with a water-fearing head and 2 water-loving tails
B. A special kind of lipid with 2 water-loving heads and 1 water-fearing tail
C. A special kind of lipid with a water-loving head and 2 water-fearing tails
D. A special kind of lipid with 2 water-fearing heads and 1 water-loving tail


Answer: C

Biology & Microbiology

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Clusters of nerve cell bodies that function as a local

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The Pacinian corpuscle is used in detecting

a. sound. b. pressure. c. chemicals. d. sight. e. chemical differences.

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Which of the following statements about the enzymes is FALSE?

A. Enzymes increase the rate of the reactions B. Enzymes are made of protein, but some enzymes have non-protein components as well C. Each enzyme carries a specific function D. Enzyme activity is affected by substrate concentration E. Enzymes increase the activation energy

Biology & Microbiology

The fossil record has established that prokaryotes existed on Earth for approximately two billion years before eukaryotes appeared.

Answer the following statement true (T) or false (F)

Biology & Microbiology