Which of the following tissues may be specialized to secrete mucous?
Select one:
a. epithelial
b. connective
c. muscle
d. nervous
e. cartilage
a. epithelial
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Where are the midbrain, medulla oblongata, and pons located?
a. spinal cord b. cerebellum c. brainstem d. cingulate gyrus
A hydrogen bond is a(n)
a. sharing of a pair of electrons between a hydrogen and an oxygen nucleus. b. sharing of a pair of electrons between a hydrogen nucleus and either an oxygen or a nitrogen nucleus. c. attractive force between a hydrogen atom and either an oxygen or a nitrogen atom that are in other molecules or within the same molecule. d. covalent bond between two hydrogen atoms. e. covalent bond between a hydrogen atom and either an oxygen atom or a nitrogen atom.
Which is mismatched?
A. Benzalkonium chloride - quaternary ammonium compound B. Iodophor - iodine C. Formalin - formaldehyde D. Sodium hypochlorite - chlorine E. Merthiolate - silver
A mutation in EF-Tu would have a DIRECT effect on which part of translation?
A) The polypeptide would form, but translation termination would be blocked. B) The next tRNA would not be able to enter the A site of the ribosome. C) The peptide bond formation would be blocked. D) The small and large subunits would not bind. E) Translocation would be directly blocked.