Answer : True
Enrichment cultures are used to increase a small number of desired organisms
Answer: The lock-and-key mechanism is usually associated with the complementary shapes of an enzyme with a single substrate wherein the lock that is being referred to is the enzyme and the substrate is the key. One right sized substrate (key) fits into the active site (key hole) of the enzyme (lock).
To calculate the water's salinity
by Elena
Answer:
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