What are plants that flower only once before they die, normally after two seasons of growth, called?
A. Perennials
B. Dicots
C. Monocots
D. Annuals
E. Biennials
Answer: E
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Living organisms increase in complexity as they grow, resulting in a decrease in the entropy of an organism. How does this relate to the second law of thermodynamics?
A) Living organisms do not obey the second law of thermodynamics, which states that entropy must increase with time. B) Life obeys the second law of thermodynamics because the decrease in entropy as the organism grows is exactly balanced by an increase in the entropy of the universe. C) Living organisms do not follow the laws of thermodynamics. D) As a consequence of growing, organisms cause a greater increase in entropy in their environment than the decrease in entropy associated with their growth. E) Living organisms are able to transform energy into entropy.
Enzymes are ____
a. RNA molecules b. proteins c. DNA molecules d. transposable elements e. codons
Edwin Southern and his colleagues started the field of genomics
a. True b. False
What is carbon fixation?
A. The burning of fossil fuels, resulting in the introduction of CO2 in the atmosphere B. The conversion of inorganic carbon (CO2) into carbon-containing organic molecules C. The transfer of organic molecules to animals that eat plants or other animals D. The release of CO2 from the oxidation of organic molecules that are derived from deceased organisms