In meiosis chromosomes go through _________ consecutive cell divisions that end with the formation of _________ haploid nuclei
A) two, four
B) two, two
C) two, eight
D) two, six
Ans: A) two, four
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Ions can travel directly from the cytoplasm of one animal cell to the cytoplasm of an adjacent cell through _____
A) plasmodesmata B) intermediate filaments C) tight junctions D) desmosomes E) gap junctions
What is generally true about biomass and energy as we move from one trophic level to the next?
A. They both increase. B. Organisms at one trophic level always consume all of the resources from the level below them. C. Not all energy is transferred to the next trophic level. D. All of the energy stored initially in organic molecules by the primary producers will be available to the secondary consumers. E. Biomass increases but energy decreases.
One of the properties of cancer is its ability to spread, or ____________________, to other sites in the body
Fill in the blank(s) with correct word
Describe the sequence of events in the evolution of eukaryotic cells as described by the endosymbiotic hypothesis. List four pieces of evidence which support this theory
What will be an ideal response?