Cell

Question 1

What is the scientific name of fruit fly?

Answer 1

Drosophila melanogaster

Question 2

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

Answer 2

Cell

Question 3

DEFINE:

Cell

Answer 3

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

Question 4

Enumerate the Cell theory

Answer 4

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.

Question 5

What are the specialized part of bacteria?

Answer 5

Pili
Capsule
Flagellum
Endospore

Question 6

DEFINE:

Prokaryote

Answer 6

No true nucleus

No membrane

Question 7

What are the bacterial cell shapes?

Answer 7

Spheres(cocci)
Rods(Bacilli)
Spirals

Question 8

Under the sphere shape of bacteria

Answer 8

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

Question 9

What are the 2 types of cell wall? Differentiate.

Answer 9

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

Question 10

to identify bacteria the

it gives primarystain, violet or blue

Answer 10

Gram positive

Question 11

secondary stain red or pink

Answer 11

Gram negative

Question 12

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

Answer 12

Cell wall

Question 13

What are the chemical use in gram Staining?

Answer 13

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

Question 14

selectively permeable with phospholipid bilayer and protein

Answer 14

Cell membrane

Question 15

It sorrounds the cytoplasm and contains enzymes in metabolic reactions

Answer 15

Cell membrane

Question 16

Protein membrane and acts as a catalyst

Answer 16

Enzymes

Question 17

Protein act as a what?

Answer 17

Enzyme

Question 18

Gelatinous matrix located inside the cell membrane

Made of water, organic and inorganic molecules

Answer 18

Cytoplasm

Question 19

It contains rRNA and protein.

Answer 19

Ribosome

Question 20

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

It contains the bacterial chromosome.

Answer 20

Nucleoid

Question 21

• gelatinous polysaccharide polypeptide layer

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

Answer 21

Glycocalyx(capsule/slime layer)

Question 22

What is phagocytosis?

Answer 22

Cell eating

Question 23

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

Answer 23

Fimbriae and Pili

Question 24

• attachment to surface

- conjugation

Answer 24

Fimbrae

Pili

Question 25

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

Answer 25

Flagella

Question 26

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

Answer 26

Axial Filaments yung parang twirl

Question 27

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

Answer 27

Plasmids

Question 28

Reserve deposits of various material found in cytoplasm.

Answer 28

Inclusion

Question 29

Give some examples of inclusion

Answer 29

Sulfur granules, metachromatic granules

Question 30

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

Answer 30

Endospores

Question 31

all cells have______,____,______

Answer 31

cell membrane, cytoplasm and genetic material