Question

Mitosis and Meiosis What are three reasons why cells would need to multiply or reproduce? Describe...

Mitosis and Meiosis

What are three reasons why cells would need to multiply or reproduce?

Describe binary fusion.

Who does this type of reproduction?

Is this an example of sexual or asexual reproduction?

What is meant by a “cell cycle?”

What are all of the different stages in a cell’s life cycle? Be careful and be complete.

What are the different stages seen with (during) interphase?

What are the different stages seen with (during) the mitotic phase?

In which stage, be specific, of a cell life cycle does the DNA of a cell get duplicated (“synthesized”)?

What are the different stages of mitosis – list them in order of when they take place?

What is happening in each of the different stages?

What are centrosomes?

What is the mitotic spindle ?

What structure in a cell is responsible for moving chromosomes?

What is the goal of mitosis?

By the end of mitosis what do we have compared to what we started with?

What does the term Sister chromatids refer to?

What are they, are they the same, different?

What is the idea behind check points found in the cell’s cycle?

How can we use the idea of “check points” in a cell cycle to explain the growth of cancer cells?

What are the different stages of meiosis?

Homework Answers

Answer #1

1. The cells reproduce in order to grow' to repair their damaged cells and to continue their generation .

2. It is combination of two half cells to form a complete cell.

3. It ooocurs in male and female gamates and during double fertilization in plants.

4. This is an example of sexual reproduction.

5. Cell cycle is a series of events leading cells its division and duplication of its DNA to produce two

Daughter cells.

6. The different stages of cell cycle are Go phase, G1 phase, S phase, G2 phase and mitotic phase

after which cell divides ( cytokenosisis).

7. The stages seen during interphase are G1,S and G2.

8. The different stages seen during mitotic phase are prophase, prometaphase , metaphase, anaphase and telophase.

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