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Science > Mitosis - Biology > Flashcards

Mitosis - Biology Flashcards

Quiz Practice

1
Q

Interphase steps (name them)

A

G1, S, G2

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2
Q

Interphase G1

A

Growth (copy organelles)

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3
Q

Interphase S

A

Copy DNA

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4
Q

Interphase G2

A

Growth

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5
Q

What happens during the longest step of the cell cycle?

A

Interphase:
*Cell size doubles
*Ribosomes synthesize proteins
**DNA duplicated inside nucleus
Where sister chromatids are formed

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6
Q

Steps to Mitosis (name)

A

Prophase
Metaphase
Anaphase
Telophase
(Cytokinesis)

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7
Q

Prophase (longest step of mitosis)

A

Condense chromosomes in nucleus
nuclear membrane dissolves
Centrioles spit out spindle fibers that anchor chromosomes

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8
Q

Metaphase

A

Spindle fibers push chromosomes to the middle

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9
Q

Purpose of Metaphase

A

make sure chromosomes are organized and split equally in the next step.

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10
Q

Anophase

A

Spindle fibers pull apart chromosomes into chromatids- must be split perfectly (CHECKPOINT - where mistake can occur)

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11
Q

Telophase

A

Nucleus appears around sets of chromatids

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12
Q

Cytokinesis

A

Only in animal cells
Cytoplasm splits and two separate cells are formed

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13
Q

Binary Fission - prokaryotes

A

In prokaryotes
DNA duplicated in the cytoplasm so that parent cells split into two

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14
Q

Budding - eukaryotes

A

grows from parents from bud

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15
Q

vegetative propagation

A

Root, stem, or leaf of a plant grows into an identical plant

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16
Q

What is cancer?

A

Cells without regulation on proliferation

17
Q

How do cancerous cells form

A

When there is a mistake during the mitosis process (usually during checkpoings like interphase and anaphase) and the cell becomes mutated so that they do not die and keep proliferating

18
Q

Chromatin

A

long, loose, thin stands of DNA

19
Q

Chromotid

A

One copy of a chromosome

20
Q

Chromosome

A

Single double-stranded DNA molecule

21
Q

Centromere

A

The where chromosomes/chromatids meet in the middle

22
Q

Sister chromatids

A

Identical copies (chromatids) of a chromosome

Science (9 decks)

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