#Question id: 15727
#Section 6: Plant, Animal and Microbial Biotechnology
#Question id: 2013
#Section 2: General Biology
A patient undergoes a high level of mast cell degranulation, dilation of blood vessels, and acute drop in blood pressure. These symptoms could be caused by which of the following?
#Question id: 372
#Section 4: Fundamentals of Biological Engineering
Carbon dioxide in the atmosphere dissolves with the raindrops. The pH of raindrops is ________.
#Question id: 636
#Section 2: General Biology
DNA polymerase contains a lysine residue that is important for binding to DNA. Mutations were found that converted this lysine to either glutamate, glycine, valine, or arginine. Which mutations would be predicted to be the most and least harmful to the ability of the enzyme to bind DNA?
|
Most |
Least |
|
|
(A) |
Valine |
Aspartate |
|
(B) |
Glycine |
Arginine |
|
(C) |
Arginine |
Glycine |
|
(D) |
Glutamate |
Arginine |
#Question id: 3532
#Section 3: Genetics, Cellular and Molecular Biology
In a plant species, flower color purple is dominant over white. One such purple-flowered plant upon selfing produced 35 viable plants, of which 9 were white flowered and the rest were purple flowered. What fraction of these purple-flowered progeny is expected to be pure purple-flowered line?