________ are glycoprotein spikes that protrude from the outer surface of the viral envelope.
Fill in the blank(s) with the appropriate word(s).
Peplomers
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Nisin
A. is a food additive that blocks the growth of some gram positive bacteria. B. is a small amphiphilic peptide that disrupts membrane integrity and function. C. is a bacteriocin produced by some strains of Lactococcus lactis. D. All of the choices are correct.
Human MN blood types illustrate the Hardy Weinberg principle because these blood type antigens are not subject to
inheritance. ______________ Indicate whether the statement is true or false.
You are conducting an experiment to determine what concentration of disinfectant is most effective in killing bacteria. In this example, the concentration of disinfectant would represent the
(a). control. (b). experimental variable. (c). response variable. (d). data. (e). hypothesis.
The diameter of a capillary is about the same as that of a(n)
A) nerve. B) red blood cell. C) arteriole. D) venule.