A (decolorizer/mordant/fixer) is a substance that binds to a dye and makes it less soluble
What will be an ideal response?
mordant
Bloom's Taxonomy: Knowledge
Section: Staining
Learning Outcome: 4.15
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Besides Darwin, the theory of evolution by means of natural selection was also independently proposed by:
A. Charles Lyell. B. Karl Popper. C. Thomas Malthus. D. Peter Raven. E. Alfred Wallace.
Sporadic cancers result from
A) recessive or dominant mutation in a somatic cell. B) recessive or dominant germline mutation. C) mutation in a sperm or oocyte. D) exposure to a cancer-causing virus.
Four of the five answers listed below are organelles in the cytoplasm. Select the exception
a. nucleolus b. mitochondrion c. ribosome d. Golgi apparatus e. chloroplast
The expression of the lac structural genes is _______ when lactose is absent from the culture medium and is _______ when lactose is added because lactose binds to the _______ and inactivates it.
A: low; high; lac operator B: high; low; lac operator C: low; high; lac promoter D: low; high; lac repressor E: high; low; lac inducer