Mitosis And Organelles Flashcards

1
Q

S-phase

A

Synthesis 46 pieces DNA to 92 pieces DNA, where mutation happens

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2
Q

G2

A

Almost same as g1, except has 92 DNA molecules in nucleus

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3
Q

DNA

A

Long linear molecule made of nucleotides that carries genetic information

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4
Q

Genetic code

A

How 3 nucleotides code for 1 amino

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5
Q

Gene

A

Section of DNA that codes for 1 protein

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6
Q

Chromosome

A

Another name for DNA, appear during prophase

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7
Q

Chromatin

A

DNA in the nucleus during interphase, not as tightly coiled

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8
Q

Chromatid

A

During s-phase when DNA is duplicated, you see chromosome composed of two sister chromatids

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9
Q

Mitosis

A

Interphase, prophase, metaphase, anaphase, telophase

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10
Q

Interphase characteristics

A

Nuclear envelope, nucleolus present, chromosomes duplicated but not visible

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11
Q

Prophase characteristics

A

Nuclear envelope/nucleolus disappear, chromatin coils, centrioles migrate to opposite poles, spindle fibers form

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12
Q

Metaphase characteristics

A

Chromosomes line up, chromatids separate at the centromere and start to migrate

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13
Q

Anaphase characteristics

A

Chromosomes migrate to opposite poles pulled by microtubles of spindle fibers

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14
Q

Telophase characteristics

A

Chromosomes at poles, begin uncoiling, cytokinesis occurs, spindle disappears, nuclear membrane/nucleolus reappear

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15
Q

G1

A

Cell just completed mitosis, has half of cytoplasmic volume and organelles

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