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Biology 2 > Biology Practicum > Flashcards

Biology Practicum Flashcards

1
Q

The three shapes of bacteria

A

Cocci, spirilla, and Bacilli

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2
Q

What shape does Cocci have?

A

Spherical shape

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3
Q

What shape does Spirilla have?

A

Spiral

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4
Q

What shape does Bacilli have?

A

Rod shaped

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5
Q

Has more peptidoglycan

A

Gram Positive

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6
Q

Have less peptidoglycan

A

Gram Negative

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7
Q

Differential stain that distinguishes positive (+) from negative (-) bacteria

A

Gram stain

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8
Q

What color does Gram-positive turn when stained?

A

Purple

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9
Q

What color does Gram-negative turn when stained?

A

Reddish-pink

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10
Q

A specific organism that is known to cause many skin ailments

A

Staphylococcus Aureus

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11
Q

A specific organism that is known to cause scarlet fever, toxic shock syndrome, bacteremia, pneumonia, and more

A

Streptococcus pyogenes

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12
Q

These are Eukaryotic organisms that are generally unicellular

A

Protists

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13
Q

The “cool art”

A

Freshwater and Marine Diatoms

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14
Q

A single-celled organism; lives in water

A

Euglena

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15
Q

Name all 7 Protists

A

Freshwater/Marine Diatoms, Euglena, Amboeba Proteus, Entamoeba Histolytica, Trypanosoma gambiense, Paramecium, and Stentor

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16
Q

A parasitic protist

A

Entamoeba Histolytica

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17
Q

Found in blood of infected individuals; causes African Sleeping Sickness

A

Trypanosoma gambiense

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18
Q

__________: Phylum = __________

A

Sponges; Porifera

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19
Q

Their bodies have many passageways for water to flow through

A

Sponges

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20
Q

A sponge with spicules made of calcium carbonate (calcareous sponge)

A

Grantia

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21
Q

Provide structural support for most sponges

A

Sponge spicules

22
Q

Aquatic invertebrates with special cells used to catch prey

A

Cnidaria

23
Q

Reproduces asexually and forms colonies; made of polyps

A

Obelia: Hydroid (1st gen.)

24
Q

Reproduces sexually and swims freely

A

Obelia: Medusa (2nd gen.)

25
Q

Sea anemone; uses stinging cells to capture prey

A

Metridium

26
Q

Fresh water invertebrate that is able to regenerate tissues, not age, and has special nematocysts (stinging cells)

A

Hydra

27
Q

Flatworms characterized by unsegmented bodies and bilateral symmetry

A

Platyhelminthes

28
Q

Flatworm that can regenerate and HAS eyespots

A

Planaria

29
Q

A parasitic tapeworm that can infect humans due to eating raw meat

A

Taenia Pisiformis

30
Q

Flat fluke (with NO eyespots) that infects the human liver

A

Clonorchis sinensis

31
Q

A parasitic flatworm and blood fluke that infects human bladder and intestine arteries

A

Schistosoma mansoni

32
Q

Roundworms, about half of which are parasitic

A

Nematodes

33
Q

A parasitic nematode AKA “small intestinal roundworm”

A

Ascaris megalocephala

34
Q

May be male or female

A

Ascaris megalocephala

35
Q

Are smaller and have the presence of a spicule

A

Male Ascaris

36
Q

Parasitic roundworm known to cause trichinellosis. Results in diarrhea, abdominal pain, and vomiting

A

Trichinella spiralis

37
Q

May lead to brain or heart damage

A

Trichinella spiralis

38
Q

Clams and Mussels

A

Bivalve

39
Q

Have two shells that hinge and are filter feeders

A

Bivalve

40
Q

Keep shells closed

A

Adductor muscles (anterior and posterior)

41
Q

Thin membrane attached to the inside of the shell

A

Mantle

42
Q

Thin membrane under the mantle that connect to incurrent and excurrent siphons. Respiration occurs upon water entry

A

Gills

43
Q

Tough muscular structure used in movement

A

Foot

44
Q

Extend from the visceral mass towards the hinge at the back

A

Intestines

45
Q

Thin piece of tissue near mouth opening

A

Labial palps

46
Q

Located near the visceral mass

A

Mouth

47
Q

Small lump by intestines near the hinge

A

Heart

48
Q

Consists of stomach, digestive glands, and gonads

A

Visceral mass

49
Q

Name the 4 Cnidaria

A

Obelia wm (hydroid), Obelia Medusa, Metridium cs & ls, and Hydra

50
Q

Name the 4 Platyhelminthes

A

Planaria, Taenia pisiformis, Clonorchis sinensis, and Schistosoma mansoni

51
Q

Name the 2 Nematodes

A

Ascaris megalocephala and Trichinella spiralis

Biology 2 (33 decks)

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