Cell Cycle Flashcards

(29 cards)

1
Q

Cell Cycle

Interphase =

A

Normal activity

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2
Q

Cell Cycle

M-phase =

A

Reproduction

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3
Q

Cell Cycle

Cycle in meristems can happen __ a day

A

2x

others can take up to 150 years

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4
Q

Cell Cycle

Division of the nucleus

A

Mitosis

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5
Q

Cell Cycle

Divison of the cytoplasm

A

Cytokinesis

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6
Q

Cell Cycle

3 Interphase steps

A

G1 phase

S phase

G2 phase

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7
Q

Cell Cycle

G1 phase =

A

Growth to regular size

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8
Q

Cell Cycle

S-phase =

A

Synthesis for DNA replication

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9
Q

Cell Cycle

G2 phase =

A

Organelle duplication

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10
Q

Meiosis

Is ___ part of the cell cycle

A

Not

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11
Q

Meiosis

Creates __ daughter cells that are genetically distinct

A

4

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12
Q

Meiosis

Daughter cells have __ the chromosomes

A

1/2

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13
Q

Meiosis

Ploidy =

A

How many copies of each chromosome

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14
Q

Meiosis

Ploidy: 1x = 1 copy

4x = __ copies

A

4 copies

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15
Q

Meiosis

n cells are created by ___

A

Meiosis

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16
Q

Meiosis

2n cells are created by

A

Fertilization

17
Q

Meiosis

8x does mitosis =

8x does meiosis =

A

8x daughter or, 2n

4x, n

18
Q

Alternation of Generations

A

Fertilization -> zygote (2N) -> sporophyte -> sporocyte -> meiosis -> spores (N) -> gametophyte -> mitosis -> gametes -> fertilization

19
Q

Classification: Naming new species

Step 1

A

Publish in a journal that is generally available

20
Q

Classification: Naming new species

Step 2

A

Preserve the specimen “type specimen” in a place accessible by the public

21
Q

Classification: Naming cultivars

A

Names of parents and common name in quotes

22
Q

Species

2 Leading theories

A

Morphological species concept

Biological species concept

23
Q

Species

Morphological species concept =

A

Organisms of the same species look alike

24
Q

Species

Morphological species concept problem?

A

Phenotypic plasticity

25
Species Biological species concept =
If they breed together, they're the same species
26
Species Biological species concept problem 1?
Specific pollinators may restrict breeding due to flower choice
27
Species Biological species concept problem 2?
Bloom time isnt coordinated
28
Species Biological species concept problem 3?
Extinct plants dont breed
29
Species Biological species concept problem 4?
Self pollinators