Diploid (2n) cells in the ____ of mosses, ferns, gymnosperms, and angiosperms divide meiotically and form haploid (1n) spores
Fill in the blank with the appropriate word.
sporangia
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How does energy enter a food chain through primary producers?
A. The energy comes from detriivores. B. The energy enters through photosynthesis. C. Primary producers receive energy from secondary consumers. D. The energy is made available through heterotrophs. E. Primary producers can make the energy.
The simple plant tissues are __________, __________, and __________. Fill in the blank(s) with the appropriate word(s)
Major histocompatibility complex (MHC) molecules are what type of membrane protein?
a. enzyme b. anchoring protein c. receptor protein d. recognition protein
What is the fate of metabolites during respiration?
a. They are oxidized completely to carbon dioxide and water. b. They are reduced to from NADH and FADH2. c. They are oxidized completely to form pyruvic acid. d. They are rearranged to form GTP.