The following is not a heavy metal toxin:
a. DDT.
b. mercury.
c. lead.
d. zinc.
e. copper.
A
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Unipotent cells may differentiate into all other cell types of the body
Indicate whether the statement is true or false
Retroviruses ____
a. have DNA genomes b. use an RNA intermediate to replicate their genome c. replicate their RNA genome directly to produce progeny RNA genomes d. do not have an envelope e. require reverse transcriptase to replicate their genome
Malpighian tubules are lined with which of the following to increase their absorptive surface area?
a. nephridia b. transport vesicles c. microvilli d. lysosomes
Modern vaccine technology can involve inserting the DNA encoding the pathogen's antigen(s) into a (plasmid/hybridoma/cell) and injecting it into an individual
What will be an ideal response?