Answer the following statements true (T) or false (F)
1) Crossing-over occurs in meiosis I and meiosis II.
2) Chromosome duplication occurs between meiosis I and meiosis II.
3) In animal cells, cell division is accomplished by the formation of a cleavage furrow.
4) Daughter cells produced in meiosis are identical.
5) Chromosome duplication occurs prior to both mitosis and meiosis.
1) FALSE
2) FALSE
3) TRUE
4) FALSE
5) TRUE
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The pages of your textbook consist mainly of material made by multicellular, photosynthetic organisms that function as producers in ecosystems. These organisms belong to the kingdom ____
a. Fungi b. Bacteria c. Protist d. Plantae e. Animalia
Compared to white muscle fibers, red muscle fibers ____
a. have fewer mitochondria b. have less myoglobin c. make more ATP by lactate fermentation d. fatigue less easily e. get most of their ATP from creatine phosphate
How many levels of consumption are depicted
in the figure? a. 1 b. 2 c. 3 d. 4 e. 5
Which one of the following statements is TRUE regarding the G0 phase of the cell cycle?
A) G0 is an abnormal state, and cells in this stage have been damaged. B) Neurons and osteocytes remain in G0 after adolescence. C) Most cancer cells have entered the G0 phase. D) Once in G0, a cell remains there. E) Stems cells in the bone marrow are typically in the G0 phase.