You are observing actively dividing cells under a very powerful microscope and n

Question

You are observing actively dividing cells under a very powerful microscope and notice that cells entering Telophase have a plate forming in the middle of the cell and progressing outwards towards the cells' periphery. Using your vast knowledge of cell biology-what type of cell can you deduce you are looking at? Select one: a. animal cell b. plant cell c. insect cell d. virus e. human cell You know a particular organism reproduces sexually (produces gametes) and when you process cells from this organism's liver you count a total of 30 chromosomes. How many total chromosomes would you expect to find in this organism's gametes (egg & sperm)? Select one: a. 30 b. 15 c. 60 d. 120 e. 28

Explanation / Answer

16. Looking at this cell type, it will be a plant cell. These cells have a cell wall outside the plasma membrane. During cell division always karyokinesis is followed by cytokinesis. After this process, a plate like structure is formed where a new cell is developed outside the daughter cells.

17. The gametes are called sex cells which are haploid while the somatic cells like liver cells are diploid. If liver cells have 30 chromosomes then gametes will have 15 chromosomes.

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