In a moss, most of the plants that we see are ________; in a fern, the most dominant stage is the ________
A) gametophytes; gametophyte
B) gametophytes; sporophyte
C) sporophytes; gametophyte
D) sporophytes; sporophyte
Answer: B
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According to the ABC model of floral development, which genes would be expressed in a showy ornamental flower with multiple sepals and petals but no stamens or carpels?
A) A genes only B) B genes only C) C genes only D) A and B genes only E) A and C genes only
Net primary productivity is generally greatest at
A) tropical latitudes near the equator. B) subtropical latitudes (e.g., 25° of latitude). C) temperate latitudes (e.g., 50° of latitude). D) polar latitudes (e.g., 80° of latitude).
Most of the energy used by the cell is converted to ATP in ________
A) lysosomes B) Golgi complexes C) nuclei D) mitochondria
Based on the information in the graph, you can determine that the DNA of the new strain has a high
A) G-C content with respect to E. coli. B) pyrimidine content with respect to E. coli. C) A-T content with respect to E. coli. D) purine content, with respect to E. coli. E) histone content with respect to E. coli.