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General Biology 1101 > 13b > Flashcards

13b Flashcards

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1
Q

We’re currently using _______ to determine relationships among distantly related organims

A

rRNA

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2
Q

One molecule that is found in all living cellular organisms and not passed by horizontal

A

rRNA

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3
Q

Transmits genetic information from one generation to the next

A

Binary fission

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4
Q

A network of sugar polymers cross-linked by polypeptides

A

Peptidoglycan

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5
Q

Life that survives in physically or geochemically extreme conditions that are detrimental to most life on Earth

A

Extremophiles

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6
Q

The most diverse of all organisms?

A

Bacteria

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7
Q

Used to classify bacteria by cell wall composition

A

Gram stain

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8
Q

Bacteria have simpler walls with a large amount of peptidoglycan

A

Gram positive

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9
Q

Bactreia have less peptidoglycan and an outer membrane that can be toxic

A

Gram negative

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10
Q

Archae contains _____ and _____ but do NOT have ____

A

Polysaccharides, proteins, peptidoglycan

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11
Q

Organic compounds are metabolized to get carbon

A

Heterotrophs

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12
Q

CO2 is used as source of carbon to produce organic compounds

A

Autotrophs

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13
Q

Photoautotrophs that generate O2

A

Cyanobacteria

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14
Q

The oldest eukaryotes

A

Protists

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15
Q

Where spores are produced

A

Sporangia

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16
Q

Plant like protists

A

Diatoms

17
Q

Individual organisms behave as separate amoebas

A

Cellular slime molds

18
Q

Multicellular eukaryote

A

Plant

19
Q

Eukaryote walls are made of

A

Cellulose

20
Q

Mass of interconnected hyphae

A

Mycelium

21
Q

General term for a disease that is caused by a fungus

A

Mycosis

22
Q

Groups in which all of the individuals are more closely related to one another than to any individuals outside that group

A

Monophyletic groups

23
Q

All chordates have four characteristic structures

A

Notochord, dorsal hollow nerve cord, pharyngeal gills slits, post-anal tail

24
Q

Consists of genetic material inside a container made of protein

A

Virus particle

25
Q

A noncellular entity that can replicate within a permissible host cell

A

Virus

General Biology 1101 (10 decks)

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