A challenge to traditional (pre-1860) ideas about species came from embryology, when it was discovered that _____.
A. mutations have a far more dramatic effect on embryos than on adult organisms
B. the embryological development of many plants and animals is almost identical
C. the more advanced the animal, the more slowly it develops
D. embryos of dissimilar organisms, such as sharks and humans, resemble each other
E. all animals develop similar embryonic gills
D. embryos of dissimilar organisms, such as sharks and humans, resemble each other
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Genetic sequences may be useful in predicting protein structure because
A. there is a high statistical frequency of specific amino acids within a given secondary structure B. the folding of the protein is based on how the mRNA folds. C. the physical and energetic properties of the DNA influence protein folding. D. knowing what specific codons are used for each amino acid in the protein can help predict its structure.
The serology test that may show the antigen-antibody complex as yellow-green under the microscope while using an ultraviolet light is known as the
A. Western blot. B. fluorescent antibody test. C. ELISA test. D. agglutination test.
In humans, the thirst center is located in the ____
a. adrenal cortex b. hypothalamus c. anterior pituitary d. pons e. thymus
The use of lysozyme during the preparation of cheeses and wines is effective in reducing the numbers of
A) fungi. B) viruses. C) bacteria. D) prions. E) all microbes.