Ninhydrin, biuret, orcinol, I2KI, and Nile blue are all reagents that can be used to detect and measure specific classes of biochemicals
a. True
b. False
a
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Bioassays
(a) are performed in a test tube using killed cells. (b) expose a population of living organisms to a test substance. (c) are used for chemotherapy. (d) are none of the above.
What is the height of a person with the genotype (AA, Bb, cc, DD)?
Height (tallness) in humans is a polygenic trait. Assume the following: There are 4 genes that determine height (Aa, Bb, Cc, Dd). Each dominant allele adds 2 inches of height to an individual. The height of the recessive individual (aa, bb, cc, dd) is 5 feet. A. 5?4? B. 5?10? C. 5?8? D. 6?6? E. 5?6?
A 4-year-old boy who is in day care 3 days per week is irritable and scratching the area around his anus. What morphologic characteristics would most likely be observed on microscopic ex-amination of the appropriate specimen?
a. Large eggs, proglottid shape b. Large eggs with a terminal spine c. Two individual hooklets d. Football-shaped eggs with one flattened side
If wire hair (W) is dominant to smooth hair (w), and you find a wire-haired puppy, how would you
determine its genotype by a genetic breeding experiment? Give both the genotype and phenotype involved with the cross with the unknown. Observing Patterns in Inherited Traits 111 What will be an ideal response?