At the center of an herbaceous eudicot stem is:
a. pith.
b. collenchyma.
c. sclerenchyma.
d. vascular cambium.
e. phloem.
a
You might also like to view...
Genomic imprinting is a result of ___________
A. Nucleosome location B. Histone activation C. DNA methylation D. Serine to leucine changes in the genetic code
In performing a Gram's staining techniques, the decolorization reagent is
A. A mixture of acetone and alcohol B. A mixture of different alcohols C. A mixture of acid and alcohol D. A mixture of acetone and ether E. none of the above
Unlike other Gram-negative opportunistic bacilli, Bacteroides are (aerotolerant/facultative/strict) anaerobes
What will be an ideal response?
You are studying a cell structure that is approximately 100 nm in size. Which of the following provides the greatest magnification you can use to see this structure?
A) brightfield microscope B) darkfield microscope C) transmission electron microscope D) phase-contrast microscope E) scanning electron microscope