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Biology🌳 > Abril 7 Bi > Flashcards

Abril 7 Bi Flashcards

1
Q

What have viruses

A

Genetic material (DNA) and a capsid

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2
Q

What does viruses infected?

A

Humans

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3
Q

From where do they enter?

A

From body holes

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4
Q

What does viroids have?

A

RNA ,

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5
Q

What does viroids infected ?

A

Plants

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6
Q

How do the viroids enter to the plants?

A

By seeds

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7
Q

What does a prion have?

A

Proteins

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8
Q

What does prions infected?

A

Normally humans but they also can infected animals

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9
Q

What exactly do the prions infected?

A

The brain

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10
Q

Viruses exist in..

A

A variety of shapes and sizes

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11
Q

Simple structure of viruses

A

Genetic material (DNA)
Capsid , a protein shell
Maybe a lipid envelope

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12
Q

They infect bacteria

A

Bacteriophages

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13
Q

Fisrt way that viruses enter cells

A

Bacteriophages pierce hosts cells

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14
Q

Second way that viruses enter cells

A

Viruses of eukaryotes enter by endocytosis

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15
Q

Third way that viruses enter cells

A

Viruses of eukaryotes also fuse with membrane

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16
Q

How many types a viruses can cause?

A

2

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17
Q

What are the 2 types that a virus can cause?

A

Lytic infection

Lysogenic infection

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18
Q

Causes the host cell to burst

A

Lytic infection

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19
Q

Does no immediate harm

A

Lysogenic infection

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20
Q

With what some viral diseases can be prevent?

A

With vaccines

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21
Q

First type of examples of viral infections

A

Common cold

22
Q

Second type of examples of viral infections

23
Q

Third type of examples of viral infections

24
Q

Of what are made the vaccines?

A

Weakened pathogens

25
Q

Stimulates the body’s own immune response

26
Q

Prepare the immune system for a future attack

27
Q

Are the only way to control the spread of viral disease

28
Q

Are both single-celled prokaryotes

A

Bacteria and archaea

29
Q

Are widespread on Earth

A

Prokaryotes

30
Q

Can be grouped by their need for oxygen

A

Prokaryotes

31
Q

Are poisoned by oxygen

A

Obligate anaerobes

32
Q

Need oxygen

A

Obligate aerobes

33
Q

Can live with or without oxygen

A

Facultative aerobes

34
Q

Are structurally similar but have different molecular characteristics

A

Bacteria and archaea

35
Q

What are the 3 forms that bacteria come?

A

Rod-shaped

Spiral

Spherical

36
Q

Structure of bacteria and archaea

A

Plasmid

Flagellum

Pili

37
Q

Is the most diverse of all kingdoms

A

Kingdom protista

38
Q

How can a protist be?

A

Animal-like

Plantlike

Funguslike

39
Q

Are eukaryotes that are not animals , plants or fungi

40
Q

Consume other organisms

A

Animal-like

41
Q

Characteristics of animal-like

A

Heterotrophs

Single-celled

42
Q

This protists are photosynthetic

A

Plantilike

43
Q

Characteristics of plantlike

A

Single-celled , colonial , or multicellular

No roots , stems , or leaves

44
Q

This are protists that decompose dead organisms

A

Funguslike

45
Q

Characteristics of funguslike

A

Heterotrophs

Can move , whereas fungi cannot

46
Q

Are single-celled heterotrophs that can move

A

Animal-like

47
Q

How are often called the animal-like protists

48
Q

Protozoa with flagella are

A

Zooflagellates

49
Q

How can a protozoa move?

A

By pseudopods

50
Q

What other way protozoa can move?

A

With cilia

51
Q

Any disease-cause agent

Biology🌳 (11 decks)

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