Anoxygenic photosynthesis occurs in which of the following organisms?
Answer: purple and green sulfur bacteria
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What forms during aerobic respiration that is detoxified by antioxidant molecules in the cell's cytoplasm?
a. free electrons b. alcohol c. reduced coenzymes d. free radicals e. carbon dioxide
Nucleotides used in automated DNA sequencing are
tagged with a a. radioactive isotope. b. heavy form of nitrogen. c. pigment. d. modified deoxyribose sugar. e. none of these.
Environmental factors typically influence inheritance of ________
A) codominance B) dominantly inherited traits C) polygenic traits D) trihybrid crosses E) multiple alleles
Based on the number of species, the most successful extant phylum of plants is the
A. Coniferophyta. B. Hepaticophyta. C. Charophyta. D. Pterophyta. E. Gnetophyta. F. Anthophyta.