After the primary stain has been added but before the decolorizer has been used, Gram-positive organisms are stained ________ and Gram-negative organisms are stained ________.
A. purple; purple
B. purple; colorless
C. purple; pink
D. pink; pink
Answer: A
You might also like to view...
Most of earth's fresh water is _____
a. in lakes and streams c. frozen as ice b. in aquifers and soil d. in bodies of organisms.
In __________, a pair of nonidentical alleles
affecting two phenotypes for a given trait is both expressed at the same time in heterozygotes. a. pleiotropy b. polygenic inheritance c. complete dominance d. codominance e. a multiple allele system
Cytochrome c is a small protein that is found in present-day organisms. Comparison of the structure of cytochrome c from different organisms to infer evolutionary relationships would be part of the science involving
A) fossil evidence. B) developmental biology. C) comparative biochemistry. D) migration patterns. E) comparative anatomy.
The enzyme reverse transcriptase
A) synthesizes DNA from a DNA template of the same polarity. B) synthesizes DNA from an RNA template. C) synthesizes RNA from an RNA template. D) synthesizes RNA from a DNA template. E) can synthesize DNA or RNA from an RNA template.