Operons that code for anabolic enzyme systems are typically regulated by inducers
Indicate whether the statement is true or false
FALSE
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The technique of preparing mitotic chromosomes involves a staining procedure using Giemsa stain. In this procedure, chromosomes are first ________ and then exposed to stain, producing ________ in a standard human karyotype.
A) heated; hundreds of reproducible bands B) heated; thousands of reproducible bands C) fragmented; hundreds of reproducible bands D) fragmented; hundreds of variable bands
Of the two cell lines that can contain a mutation in an organism, somatic line and germ line, the latter is more consequential to subsequent generations
Indicate whether the statement is true or false
Which of the following statements is TRUE?
A) Heroin binds to endorphin receptors. B) Caffeine increases the effects of neurotransmitters that normally suppress nerve signals. C) Alcohol is a stimulant. D) Nicotine is a depressant.
The animal kingdom is a monophyletic grouping.
Answer the following statement true (T) or false (F)