Mitosis Flashcards

1
Q

What are the 4 types of noncoding DNA sequences?

A
  1. Transcription/Translation regulators
  2. Origins of DNA replication
  3. Centromeres
  4. Telomeres
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2
Q

What are the 4 phases of a cell?

A

G1, S, G2, Mitosis

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3
Q

What happens during G1 Phase?

A

The beginning of cell life where centrioles start to divide, cell grows to full size, DNA is in single strands, and TRANSLATION/TRANSCRIPTION occur

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4
Q

What happens during S Phase?

A

DNA replicates, diploid & haploid, centrosomes and centrioles replicating.

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5
Q

What happens during G2 Phase?

A

nucleus is well defined, centrosomes are present, DNA is duplicated, RNA is transcribed to make proteins.

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6
Q

Mitosis: What happens during Prophase?

A

The chromatin fibres condense and the chromosomes are now visible as 2 identical sister chromatids.

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7
Q

Mitosis: What happens during Prometaphase?

A

Chromatin fibres are fully condensed and kinetochore appear.

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8
Q

Mitosis: What happens during Metaphase?

A

Chromosomes line up and attach to the spindle fibres at the centromere.

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9
Q

Mitosis: What happens during Anaphase?

A

Sister chromatids separate through the spindle fibres that pull them apart into separate chromosomes.

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10
Q

Mitosis: What happens during Telophase?

A

Chromosomes decondense, nuclear envelope forms, you now have 2 daughter cells.

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