Pyrosomes are gelatinous zooplankton composed of a colony of individual pelagic tunicates
Indicate whether the statement is true or false
T
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Some ciliophora can discharge toxic threadlike darts called ________, which are used in capturing prey.
A. toxicysts B. toxipodia C. spicules D. spikes
In the modification of eukaryotic mRNA, ________ cap and ________ tail are usually added to the transcript.
A) an acetylated-guanine; a poly-cytosine B) a poly-guanine; a methyl group C) a poly-thymine; an acetyl group D) a methylated-guanine; a poly-adenine E) a methylated-adenine; a poly-guanine
Which one of the following characteristics do
eosinophils, neutrophils, and mast cells have in common?
a. They all lack a nucleus. b. They are all anchored to tissue. c. They all circulate in the bloodstream. d. They all have granules. e. They are all capable of targeting cancer cells.
Membrane transport proteins are required for which mode(s) of antibiotic resistance?
a. Modification of a porins b. Beta-lactamases c. Modification of a metabolic enzyme d. Efflux pumps e. Efflux pumps, beta-lactamases, and modification of porins all utilize membrane transport proteins.