Which of the following is an example of alternation of generations?
A) A grandparent and grandchild each have dark hair, but the parent has blond hair.
B) A diploid plant (sporophyte) produces, by meiosis, a spore that gives rise to a multicellular, haploid pollen grain (gametophyte).
C) A diploid animal produces gametes by meiosis, and the gametes undergo fertilization to produce a diploid zygote.
D) A haploid mushroom produces gametes by mitosis, and the gametes undergo fertilization, which is immediately followed by meiosis.
B
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Glucocorticoids do which of the following?
A) promote the immune response B) promote the release of fatty acids C) increase blood glucose levels D) increase insulin production
Briefly describe how the angiosperm population in a community would be impacted if the honeybee population were to decline.
What will be an ideal response?
What would happen if there were no denitrifying bacteria?
What will be an ideal response?
Which hypothesis, based on the two laws of thermodynamics as applied to cells, would determine if something is a living cell or not?
A) If something uses energy to make itself more organized, then it is alive. B) If something is organized, then it is alive. C) If something moves, then it is alive. D) If something loses heat, then it is alive. E) If something uses energy to move, then it is alive.