A researcher uses genetic recombination techniques to remove a toxin gene from a pathogen, producing a(n) (attenuated/inactivated/subunit/toxoid) vaccine

What will be an ideal response?


attenuated

Biology & Microbiology

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Prokaryotes ____

a. have a nucleus b. are multicellular c. always have cell walls d. are either bacteria or archaeans e. always have flagella

Biology & Microbiology

Photosynthetic organisms are ________

A) producers that make all of their organic matter from organic molecules that they take in B) consumers that obtain organic molecules from other living organisms C) producers that make all their own organic matter from inorganic molecules D) decomposers that obtain nutrients from the soil

Biology & Microbiology

When hydrogen and oxygen combine to form water, water would be

a) a product b) a reactant c) both a product and a reactant d) neither a product nor a reactant

Biology & Microbiology

The transfer of antibodies in breast milk to an infant is an example of ________ immunity

A) nonspecific B) passive C) humoral D) active

Biology & Microbiology