Allopolyploidy is a significant factor in the evolution of which type of organism?
a. fungi
b. animals
c. bacteria
d. protozoa
e. flowering plants
e
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An abundance of nitrogen (N) and phosphorus (P) in an aquatic environment leads to __________ levels of dissolved oxygen due to _________
A. high; the oxidation of water B. high; the abundance of anaerobic bacteria C. low; reduction of oxygen D. low; high aerobic respiration
In the human body, which substrate would protease act upon?
A) protein B) lipids C) lactose D) sucrose
A population of plants comes in two flower colors: blue and white. Crossing two blue-flowered plants produces mostly blue-flowering offspring and some white-flowering offspring
Crossing two white-flowered plants produces only white-flowering offspring. This indicates that the white-flowering plants are A) homozygous dominant for the flower color allele. B) homozygous recessive for the flower color allele. C) mutating. D) heterozygous for the flower color allele. E) in equilibrium.
Correctly rephrase the following famous quote from J. B. S. Haldane. "I would lay down my life in order to save two brothers or ________."
A. two grandsons or granddaughters B. one son or daughter C. three uncles D. four cousins E. two nephews and one son or daughter