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BIO 121 Lab > Lab 3 > Flashcards

Lab 3 Flashcards

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Biology 101 flashcards
1
Q

Domain

A

Kingdoms with important similarities. There are three domains: archaea, bacteria, and eukarya

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2
Q

Supergroup

A

A new hierarchical taxon, groups above the kingdom level and below the domain level

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3
Q

Clade

A

A group of species that includes an ancestral species and all its descendants

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4
Q

Filaments

A

Long strings of cells

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5
Q

Heterocyst

A

Cells that are larger and appear to have thicker walls than the rest of the cells.

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6
Q

Nitrogen fixation

A

Can take atmospheric nitrogen and convert it directly into usable compounds

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7
Q

Heterotrophic

A

The organisms included in this kingdom lack chlorophyll (feed on other plants and animals to obtain chemical energy)

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8
Q

Hyphae

A

Long, slender tubes or filaments

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9
Q

Saprophytic

A

Fungi that is unable to make their own food (feed on dead or dying organisms and digest food externally)

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10
Q

Parasitic

A

Live in or on living organisms and drive nutrients from them

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11
Q

Conjugation

A

Transfer of DNA

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12
Q

Zygosporangium

A

A multinucleate zygote that has a thick, spiny wall

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13
Q

Asci

A

Members of the phylum ascomycetes produce haploid spores by meiosis in tiny sacs

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14
Q

Ascospores

A

Long, slender asci

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15
Q

Basidia

A

Tiny club - shaped structures

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16
Q

Basidiospores

A

Phylum basidiomycetes produces these spores externally, following sexual reproduction

17
Q

Stalk

A

Supports the mushroom

18
Q

Pileus or cap

A

Expanded top

19
Q

Gills

A

Radiate outward from the center of the cap on its undersurface

20
Q

Cytoplasmic streaming

A

Movement within the cell

21
Q

Air bladders

A

Small, spherical, may be observed on the branches below the tips

22
Q

Saprophyte

A

Zygote grows by mitosis into a green, leafy, diploid that is two cells thick

BIO 121 Lab (2 decks)

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