Identify each of the staining techniques as simple, differential, or special.
A. capsule stain
B. acid-fast stain
C. crystal violet
D. Gram stain
E. flagellar stain
A. Special
B. Differential
C. Simple
D. Differential
E. Special
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As a scientist working for an anti-bioterrorism task force, you are asked to evaluate some biological samples for the presence of Yersinia pestis, the organism that causes the plague. After confirming that the samples do contain Y. pestis, you instruct your team to begin sequencing the strain. Since the genome sequence of Y. pestis is already known, why would sequencing this strain be useful?
A. To provide better data for the genome database B. To establish the course of infection, and determine whether the strain is altered by causing infection C. To help determine the source of the strain, and learn whether it has been genetically engineered D. To create a vaccine for this particular strain Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about genome analysis? Consider Possibilities · Consider the different answer options. Which can you rule out? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
During which stage of the cell cycle does DNA replication occur?
a. S phase b. G1 phase c. G2 phase d. G0 phase
Describe the steps of inflammation and how inflammation supports immunity
What will be an ideal response?
The chromosome theory of inheritance states that
A) chromosomes that exhibit mutations are the source of genetic variation. B) the behavior of chromosomes during meiosis and fertilization accounts for patterns of inheritance. C) the behavior of chromosomes during mitosis accounts for inheritance patterns. D) humans have 46 chromosomes.