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Bio Lecture Mid Terms > Mid Terms > Flashcards

Mid Terms Flashcards

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Biology 101 flashcards
1
Q

Ground tissue similar to Parenchyma

A

Collenchyma

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2
Q

This replaces older plant cells of the epidermis

A

Periderm

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3
Q

Protein structure which attaches homologous chromosomes together to facilitate and maintain pairing and facilitates crossing over

A

Centromere

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4
Q

Specific type of cell in sclerenchyma tissue which gives fruits their gritty hard texture

A

Parenchyma cells

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5
Q

Continues layer of fatty material in the epidermis which waterproofs the plant

A

Cutin

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6
Q

Short resting period in-between two meiotic divisions

A

Interkines or Interphase II

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7
Q

Five stages of meiosis II

A

Leptoteme, Zygotene, Pachytene, Diplotene, Diakinesis

DLZPD

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8
Q

The three tissues forming the periderm

A

Cork, Cork cambium, Phelloderm

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9
Q

Main conducting cells in xylem tissue

A

Tracheids

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10
Q

Stages of meiosis II

A

Prophase II, Metaphase II

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11
Q

Three types of ground tissue in plants

A

Parenchyma, Collenchyma, Sclerenchyma

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12
Q

Why the cell is not resting during interphase

A

The period of metabolic activity

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13
Q

In what way does meiosis give rise to genetic recombination to protective daughter cells

A

Genetic diversity in sexually reproducing populations

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14
Q

What meristem tissues cause plants to grow in length and in diameter

A

Cell division in shoot apical meristem

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15
Q

What are the differences in plant and animal mitosis

A

In plants a new cell wall is fashioned between the new daughter cells, while in animal cells the cell membrane constricts to pinch the parent cell into daughter cells

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16
Q

Number of times the cell replicates its DNA prior to meiosis

A

Once

17
Q

Physical evidence of crossing over in homologous chromosomes

A

The chiasmata seen at Diplotene

18
Q

Substance that is present in the cell wall of cork cells

A

Suberin

19
Q

The process that forms specialized cells performing a specific function

A

Cell differentiation

20
Q

Stage of meiosis where crossing over occurs

A

Prophase of meiosis I.

The reason is to increase the diversity of the offspring and make them more genetically distinct

21
Q

Where protein synthesis occurs in plants

A

Rough ER

22
Q

Which is found in plant cells mitochondria or chloroplasts

A

Both

23
Q

Tissue located between the xylem and the Phloem in stem and roots of a vascular plant

A

Vascular cambium

24
Q

Provides extra support, particularly in regions of new growth

A

Cellenchyma

25
Q

Gives rise to primay xylem

A

Protoderm (primary tissue) gives rise to epidermis pro cambium

26
Q

Stages in Miosis where crossing over occurs

A

Prophase of meiosis I

27
Q

Where protein synthesis occurs in plants

A

Rough ER

28
Q

Does procambium undergo cell division

A

Once formed, individual procambia cells can undergo periclinal divisions

29
Q

Does permanent tissue undergo cell division

A

(Permanent) tissues have left the cell cycle and do not undergo cell division.

30
Q

Where is vascular cambium found in plants

A

Located between the xylem and phloem in the stem and root of a vascular plant, and is the source of both the secondary xylem growth

31
Q

Where does parenchyma tissue come from

A

The meristem

32
Q

Microscopic pores in plant cell wall that connect cell division which comes from the cell plate

A

The middle lamella

33
Q

Primay tissue which is derived from the procambium

A

Xylem and phloem cells

34
Q

Type of cell division which is the basis for sexual reproduction

A

Asexual reproduction

35
Q

The term used to describe the cell which contains half the number of chromosomes as the parent cell

A

Haploid

36
Q

Parenchyma tissue with intercellular spaces forming an extensive network

A

Proplastids

37
Q

Organelles that synthesize protein

A

Rough endoplasmic reticulum

38
Q

Dumbbell shaped pair of cells flanking the pores for gas exchange in leaves

A

Guard cells

39
Q

The cambium that gives rise to cork and the Phelloderm

A

Meristem

Bio Lecture Mid Terms (1 decks)

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