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Botany Lecture Unit 2 > Cell Cycle > Flashcards

Cell Cycle Flashcards

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
Q

Species

Biological species concept =

A

If they breed together, they’re the same species

26
Q

Species

Biological species concept problem 1?

A

Specific pollinators may restrict breeding due to flower choice

27
Q

Species

Biological species concept problem 2?

A

Bloom time isnt coordinated

28
Q

Species

Biological species concept problem 3?

A

Extinct plants dont breed

29
Q

Species

Biological species concept problem 4?

A

Self pollinators

Botany Lecture Unit 2 (13 decks)

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