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Marine Biology > Chapter 5 > Flashcards

Chapter 5 Flashcards

1
Q

Proteins that bind with …….. And good for

A

Receptors on host cells, mimicry

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2
Q

Many…… Spikes extend from coat so fast that our …. Cannot keep up

A

Glycoprotein immune system

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3
Q

What is made from lysis

A

DOM

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4
Q

Largest virus

A

Diameter: 440 nm in marine amebas

DNA has 1120 genes , more than some bacteria

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5
Q

Characteristics of both bacteria and archaea , nuc?, cell wall

A

Prokaryotic
Single chromosome
Most cell wall
Great metabolic diversity

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6
Q

Archaeans are normally

A

Extremophiles

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7
Q

What can archaea tolerate wide ranges of … And where found

A

Salinity, temp. And desiccation

Hydrothermal vents and salt flats

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8
Q

What size are bacteria normally

A

Microscopic

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9
Q

Largest bacteria

A

Thiomargarita

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10
Q

Important job of bacteria

A

Detritus

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11
Q

Stromalites are a product of what

A

Bacteria Cyanobacteria build up of calcium carbonate billion years old

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12
Q

How does algae eat

A

Photosynthesis, single celled animal like traits

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13
Q

What did algae used to be put under

A

Protista because of animal like traits and lack of plant structures

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14
Q

How do diatoms eat, look like, live together or alone, how many cells , why important ?

A

Photosynthesis, shell of frustule, unicellular, live alone but can form colonies, important primary producer

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15
Q

Most diatoms are…. Store excess energy as , what toxin do they reproduce, and makes up …. Earth

A

Planktonic, oil, Domoic acid that accumulates in tissues, diatomaceous earth

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16
Q

Diatoms reproduction

A

Cellular division, cast off one side of frustule becoming smaller and smaller, cast of frustule and secrete entire new frustule

17
Q

Dinoflagellates: where do they live, how do they eat, shape reinforced by, flagella?, reproduction…. Special feature

A

Most in marine, photosynthetic, plates of cellulose, 2 flagella in grooves, cellular division, bioluminescent Bahia fosforescente

18
Q

Zooxanthellae are what type of organism, they are diff. From typical ones because

A

Dinoflagellate, non motile no flagella

19
Q

What organisms make red tides, lack chloroplasts, and are part of pfiesteria

A

Dinoflagellates, parasitic, serious toxins

20
Q

Who has blooms which is a result of what, what gets its name from this and are they harmful

A

Diatoms and dinoflagellates , high levels of nutrients in the water , Red Sea, yes

21
Q

Unicellular algal plankton

A

Sillicoflagellates, coccolithophores
Star shaped skeleton of silica, two flagella of diff. Length
Shells of calcium carbonate

22
Q

What are under Protozoa

A

Foraminifera so, radiolarians, fungi, Ciliates

23
Q

Foraminiferans: where do they live, what are they made of, how do they move and eat, what are they contributors of

A

Exclusively marine, rocky or sandy bottoms, shells of calcium carbonate, pseudopods capture minute food part. Like phytoplankton , calcareous material on coral reefs

24
Q

What are forums responsible for

A

Pink beaches

25
Q

Radiolarians are….. And mostly what size, what are they made of , how do they eat

A

Planktonic, microscopic, shells of silica, pseudopods like forams

26
Q

Connected colonies of radiolarians cane reach a. Size of

A

Meters

27
Q

Ciliates : move/eat, live as ….., what are they made of, live on,

A

Cilia, solitary cells, shells of organic debris, hard substrate

28
Q

Freshwater cilia and planktonic one

A

Paramecium, tinntinids : vase like Lorica built from sand grains

29
Q

Fungi: mostly, eat, lack, ,most of 1500 species, were are they important, symbiosis called, where do they live

A

Multicellular, by breaking down other things heterotroph, microscopic, mangroves, lichens with Cyanobacteria, rocky shorelines or substrate

30
Q

Cliffs of Dover are made by

A

Foraminiferans ooze

31
Q

Which two are prokaryotic

A

Bacteria and archaea

32
Q

Viruses are …..cellular …..agents with what two basic characteristics

A

Non, infectious
Not capable of rep. Without host cell
Nucleic acid core: DNA or RNA

Marine Biology (16 decks)

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