Examlex
What technique would you use to determine how old a cloth is that was found while digging in Egypt?
Bacterial Exotoxins
Potentially harmful proteins secreted by bacteria into their external environment, capable of causing various diseases in host organisms.
Cells
The basic building blocks of all living organisms, consisting of a nucleus and cytoplasm within a membrane.
Reverse Transcriptase
An enzyme that assembles a strand of DNA (cDNA) on an mRNA template.
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