A mixture of DNA fragments is amplified from a sample of ocean water. Which gene(s) could be definitively categorized as originating from a species of animal?
A. Genes for ATP synthase
B. Cell cycle regulatory genes
C. Gene for Spongin
D. Genes for biosynthesis of chitin
E. Genes for RuBisCO
Answer: C
You might also like to view...
Liebig's Law of the Minimum states that:
A. there must be a minimum number of primary producers to support an ecosystem. B. primary production is usually determined by the abundance of just a single nutrient. C. primary production is limited by the nutrient that is least available for use by primary producers. D. primary production is limited by the nutrient that is in the greatest abundance for use by primary E. producers. F. primary production in all ecosystems is limited by the same nutrient.
Discuss three issues associated with the Human Genome Project and genetic testing that might have either ethical, legal, or social implications in the future
What will be an ideal response?
The respiratory system exchanges which gases?
A. Carbon dioxide is inhaled, while oxygen is exhaled. B. Both oxygen and carbon dioxide are inhaled, and only carbon dioxide is exhaled. C. Oxygen is inhaled and exhaled, the gas exchange does not include carbon dioxide. D. Oxygen is inhaled, while carbon dioxide is exhaled.
Most of the molecules in cell membranes are
a. proteins. b. carbohydrates. c. lipids. d. phospholipids. e. nucleic acids.