BACTE LEC (PROKARYOTIC B)

Question 1

it links to
plasma membrane

Answer 1

Lipoteichoic acid

Question 2

it links to
peptidoglycan

Answer 2

Wall teichoic acid

Question 3

Lipopolysaccharides, lipoproteins,
phospholipids *(wala or manipis
lang ang peptidoglycan) *(walang
Lipoteichoic acid)

Answer 3

Gram-negative outer membrane

Question 4

The inner leaf of the outer
membrane consists of ____

Answer 4

lipid and
protein layer.

Question 5

○ Alcohol dehydrates
peptidoglycan
○ CV-I crystals do not leave

Answer 5

Gram-positive

Question 6

○ Alcohol dissolves outer
membrane and leaves
holes in peptidoglycan.
○ CV-I washes out

Answer 6

Gram-negative

Question 7

*Gram (+) what color

Answer 7

blue or violet (purple)

Question 8

*Gram (-) what color

Answer 8

red or pink

Question 9

in VIAS (V stands for)

Answer 9

Crystal Violet (primary stain
for Gram Staining)

Question 10

in VIAS (I stands for)

Answer 10

Iodine (acts as a mordant - it
increase the affinity to the primary stain)

Question 11

in VIAS (A stands for)

Answer 11

A - Alcohol (the decolorizer - it
removes the primary stain)

Question 12

in VIAS (S stands for)

Answer 12

Safranin (secondary stain)

Question 13

○ Lack cell walls
○ Sterols in plasma
membrane

Answer 13

Mycoplasmas

Question 14

○ Wall-less or
○ Walls of pseudomurein
(lack NAM and D amino
acids)

Answer 14

Archaea

Question 15

___ is a wall-less cell.

Answer 15

Protoplast

Question 16

_____ is a wall-less
Gram-positive cell.

Answer 16

Spheroplast

Question 17

Protoplasts and spheroplasts are
susceptible to___

Answer 17

osmotic lysis.

Question 18

it will able to allow polar
substances

Answer 18

Hydrophilic

Question 19

will allow nonpolar
substances

Answer 19

*Hydrophobic

Question 20

Movement of a
solute from an area of high
concentration to an area of low
concentration

Answer 20

Simple diffusion

Question 21

Solute
combines with a transporter protein
in the membrane

Answer 21

Facilitative diffusion:

Question 22

• movement of solute

Answer 22

*diffusion

Question 23

movement of water

Answer 23

*osmosis

Question 24

The movement of water
across a selectively permeable
membrane from an area of high
water concentration to an area of
lower water.

Answer 24

Osmosis:

Question 25

The pressure
needed to stop the movement of
water across the membrane

Answer 25

Osmotic pressure:

Question 26

the substance inside
the plasma membrane.

Answer 26

Cytoplasm

Question 27

*FOR PROTEIN SYNTHESIS

Answer 27

ribosomes

Question 28

give the cytoplasm of
bacteria a granular appearance in
electron micrographs.

Answer 28

Ribosomes

Question 29

They are Resting cells

Answer 29

Endospores

Question 30

Endospore formation

Answer 30

Sporulation