What is the correct sequence of the reagents in the Gram stain technique?
a. safranin, crystal violet, alcohol, iodine
b. alcohol, iodine, crystal violet, safranin
c. crystal violet, iodine, alcohol, safranin
d. iodine, alcohol, safranin, crystal violet
Ans: c. crystal violet, iodine, alcohol, safranin
You might also like to view...
Which of the following enzymes is responsible for specifically transcribing tRNA in eukaryotic cells?
A) RNA polymerase I B) RNA polymerase II C) RNA polymerase III D) primase E) RNase H
In deuterostomes, early embryos undergo ____ cleavage
a. spiral, indeterminate b. radial, indeterminate c. spiral, determinate d. radial, determinate e. radial, followed by spiral
In a theoretical population where f (A1 ) = 0.95 and f (A2 ) = 0.05, µ = 1 × 10–6, and v = 1 × 10–7, what is ?q?
What will be an ideal response?
For a typical flowering plant, how is the first cell of the triploid (3n) endosperm formed from?
a. from one sperm fused with two antipodal cells b. from two sperm fused with a synergid c. from one sperm fused with the central cell d. from two sperm fused with the egg