Enzymes that are expressed at a constant level all the time are said to be ________.
A. constitutive
B. repressible
C. attenuated
D. inducible
Answer: A
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Telomerase is an enzyme that unwinds DNA during DNA replication.
Answer the following statement true (T) or false (F)
Which of the following statements best explains why the use of alcohol is considered a science-based societal issue?
a) people often drink alcohol to relax, yet heavy drinking interferes with their walking, talking, and driving b) about one third of homicides can be attributed to the effects of alcohol c) long-term alcohol use destroys the liver so that the body is less able to handle large amounts of alcohol d) science shows how alcohol affects the nervous system, so society uses laws to regulate alcohol sales, service to minors, and driving after drinking
The more alcohol present in the breath sample, the (greater/smaller) the absorbance observed by the Intoxilyzer.
What will be an ideal response?
Plant cells can communicate with each other using what structure?