Which of the Following Statements About Arthropods Is FALSE

question 25

Multiple Choice

Which of the following statements about arthropods is FALSE ?

• A) Arthropods have a true coelom.
• B) Arthropods have an exoskeleton.
• C) Arthropods display segmentation.
• D) Arthropods have an open circulatory system.
• E) Arthropods have an incomplete digestive tract.

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Definitions:

Operator

In genetics, a segment of DNA to which a repressor binds, controlling the expression of genes; in mathematics, a function or symbol that represents a function from a set of numbers.

Polyadenylation

That part of eukaryotic mRNA processing in which multiple adenine-containing nucleotides (a poly-A tail) are added to the 3' end of the molecule.

Prokaryotic mRNA

Messenger RNA found in prokaryotic organisms that is used to carry genetic information from DNA for protein synthesis.

Posttranscriptional Regulation

The control of gene expression at the RNA level, occurring after transcription but before translation.