After the decolorizer has been added, Gram-positive organisms are stained ________ and Gram-negative organisms are stained ________.
A. purple; purple
B. purple; colorless
C. purple; pink
D. pink; pink
Answer: B
You might also like to view...
Sequencing eukaryotic genomes is more difficult than sequencing genomes of bacteria or archaea because of the _____
A) large size of eukaryotic proteins B) hard-to-find proteins C) high proportion of G-C base pairs in eukaryotic DNA D) large size of eukaryotic genomes and the large amount of eukaryotic repetitive DNA
Which of the following lifestyle changes would NOT boost the immune system?
A. reducing stress by practicing yoga B. walking 20 minutes a day C. eating amino acids D. reducing inflammation by using a cortisol supplement E. All of these actions will boost the immune system
What characteristic is unlikely to be associated with arctic tundra?
a. a perpetually waterlogged soil b. rapid nutrient recycling c. one of the world's greatest store of carbon d. permafrost e. cool, anaerobic conditions
The radioactive isotope ________ has a half-life of 5,730 years, and has an effective dating range of 100 to 100,000 years
Fill in the blank(s) with correct word