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Cell Cycle, Mitosis, and Meiosis

Quiz and Self Test - Cell Cycle

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Fig.1
Identify the phases of the cell cycle

Drag the name of the cell-cycle phases and checkpoints to the corresponding sections.

Exercises:

Exercise

The cell cycle can be roughly divided into what two stages?

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Cytokinesis and mitosis.

Anaphase and telophase.

Mitosis and interphase.

Interphase and meiosis.

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Exercise

Which statements about the G2 phase of the cell cycle are true?

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In preparation for mitosis, each chromosome consists of two chromatids.

The DNA is replicated identically.

The cytoplasm increases and cell organelles are replicated.

The G2 phase is a security buffer for confirming proper replication of the DNA.

Under certain conditions the cell may enter the G0 phase.

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Exercise

The G1 phase of the cell cycle primarily involves.

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Fig.2
Identify the phases of mitosis

Drag the names of the phases of mitosis to the corresponding sections.

Exercise

During which phase of mitosis are the chromosomes visible with an optical microscope?

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Anaphase

Telophase

Prophase

Metaphase

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Exercise

In which phase of mitosis do the sister chromatids simultaneously break apart?

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Anaphase

Telophase

Prometaphase

Metaphase

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Exercise

Which statements about mitosis are true?

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One cell nucleus produces two identical daughter nuclei.

The spindle apparatus is dismantled during telophase.

Homologous chromosomes are separated during metaphase.

Actual division of the cell occurs during cytokinesis.

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Exercise

Select all true statements about meiosis.

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Meiosis involvoes two sequential cell divisions.

In meiosis I, the chromatids of the homologous chromosomes are separated.

No DNA replication occurs before meiosis because the chromosome set is halved.

Crossing-over leads to variation in the genetic material.

During Meiosis I, paternal and maternal chromsomes are separated, ending up int two different cells.

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