Cell Cycle Flashcards by chiamaka okudo

Q

Define chromosomes

A

Supercoiled DNA

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Q

Define nucleosomes

A

8 histones with DNA wrapped

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Q

Define histones

A

Proteins in eukaryotic cells

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Q

Define chromatin

A

DNA in dispersed state

Thread like

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Q

Define locus

A

Specific location on chromosome

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Q

Haploid

A

(n)

complete set of chromosomes

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Q

which cells are haploid

A

gametes

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Q

what are gametes

A

sex cells

reproduction

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Q

what are gametes

A

sex cells

reproduction

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Q

Diploid

A

(2n)

2 sets of chromosomes (mom+dad)

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Q

Which cells are diploid

A

Somatic cells

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Q

2 same diploid chromosome

A

Homologous pairs

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Q

Kinetochores are

A

Protein attached to centromere

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Q

What do kinetochores do

A

Moce chromosomes during division

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Q

Mitosis definition

A

Nuclear division of somatic cells

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Q

Events pf interphase

A

Growth and synthesis

Metabolic activity

DNA is chromatin

Q

G1

A

Growth

Q

S phase

A

Synthesis.

Chromosomes duplicate but ploidy is the same

Q

G2

A

Centromosomes duplicate

High metabolic activity (mitosis prep)