Cell Flashcards

To be able to identify and understand

1
Q

What is the scientific name of fruit fly?

A

Drosophila melanogaster

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2
Q

It is the Basic unit of life. Discovered by Robert Hooke.

A

Cell

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3
Q

DEFINE:

Cell

A

It is the Basic unit of life. Discovered by Robert Hooke.

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4
Q

Enumerate the Cell theory

A

all living things are composed of one or more cells;
the cell is the basic unit of life;
and new cells arise from existing cells.

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5
Q

What are the specialized part of bacteria?

A

Pili
Capsule
Flagellum
Endospore

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6
Q

DEFINE:

Prokaryote

A

No true nucleus

No membrane

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7
Q

What are the bacterial cell shapes?

A

Spheres(cocci)
Rods(Bacilli)
Spirals

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8
Q

Under the sphere shape of bacteria

A

SPHERE

  1. Diplococci
  2. Tetrad
  3. Staphylococci
  4. Streptococci
  5. Sarcina

Rods(bacili)

  1. Chain of bacili
  2. Flagellate rods
  3. Spore former

Spirals

  1. Vibrios
  2. Sprilla
  3. Spirichates
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9
Q

What are the 2 types of cell wall? Differentiate.

A

Gram positive- to identify bacteria the it gives primarystain, violet or blue
Gram negative-secondary stain red or pink

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10
Q

to identify bacteria the

it gives primarystain, violet or blue

A

Gram positive

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11
Q

secondary stain red or pink

A

Gram negative

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12
Q

It surrounds the plasma membrane and protects cell from environmental stress.

A

Cell wall

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13
Q

What are the chemical use in gram Staining?

A

Crystal violet(positive) -blue or violet
Iodine
Alcohol
Saframin(negative) -pink or red

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14
Q

selectively permeable with phospholipid bilayer and protein

A

Cell membrane

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15
Q

It sorrounds the cytoplasm and contains enzymes in metabolic reactions

A

Cell membrane

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16
Q

Protein membrane and acts as a catalyst

17
Q

Protein act as a what?

18
Q

Gelatinous matrix located inside the cell membrane

Made of water, organic and inorganic molecules

19
Q

It contains rRNA and protein.

20
Q

It is the Area in the cytoplasm where the main chromosome is located.

It contains the bacterial chromosome.

21
Q
  • gelatinous polysaccharide polypeptide layer

- It sorrounds the cell wall may protect against phagocytosis aids in adherence to surface.

A

Glycocalyx(capsule/slime layer)

22
Q

What is phagocytosis?

A

Cell eating

23
Q

It is a short thin hollow appendages attached to the cell.

A

Fimbriae and Pili

24
Q
  • attachment to surface

- conjugation

A

Fimbrae

Pili

25
Q

It is a long thin structure consisting of a filament hook and basal body. It rotates and push cell for locomotion.

26
Q

It is wrapped around the cell assoctd with spirochets. It provides mobility to spirochetes.

A

Axial Filaments yung parang twirl

27
Q

Smaller, circular extra chromosomal DNA. It is found in some cells in addition to the main chromosomes.

28
Q

Reserve deposits of various material found in cytoplasm.

29
Q

Give some examples of inclusion

A

Sulfur granules, metachromatic granules

30
Q

The dormant resistant stage of some bacteria. Assists survival of adverse conditions

A

Endospores

31
Q

all cells have______,____,______

A

cell membrane, cytoplasm and genetic material