Prokaryotic Cell Structure

Question 1

Usually consist of single, long, supercoiled, circular DNA molecules, serve as control center of bacterial cell.

Answer 1

Chromosomes

Question 2

Extrachromosomal DNA. a small, circular, molecules of double stranded DNA and found in most bacteria .

Answer 2

Plasmid

Question 3

Found in the algae and plants. sites of photosynthesis.

Answer 3

Plastids

Question 4

These are ribosomes, occurring in the cluster called the polyribosomes or polysomes.

Answer 4

Cytoplasmic Particles

Question 5

A slimy, gelatinous materials produced by the cell membrane and secreted outside the cell wall.

Answer 5

Glycocalyx

Question 6

Not highly organized and is not firmly attached to the cell wall.

Answer 6

Slime layer

Question 7

Two types of Glycocalyx

Answer 7

Slime Layer and Capsule

Question 8

BACTERIA POSSESSING FLAGELLA OVER THEIR ENTIRE SURFACE

Answer 8

PERITRICOUS BACTERIA

Question 9

Bacteria with a tuft of flagella at one end

Answer 9

LOPHOTRICHOUS BACTERIA

Question 10

Having one or more flagella at each end

Answer 10

AMPHITRICHOUS bacteria

Question 11

Bacteria possessing a single polar flagellum

Answer 11

MONOTRICHOUS bacteria

Question 12

Bacterial flagella consist of three, four, or more threads of protein., twisted like rope.

Answer 12

FLAGELLIN

Question 13

Spiral-shaped bacteria, have two flagella-like fibrils called axial filaments.

Answer 13

SPIROCHETES

Question 14

Wrap around the organism between the layers of the cell wall and overlap in the midsection of the cell.

Answer 14

AXIAL FILAMENTS

Question 15

Hair like structures most often observes on Gram-negative bacteria.

Answer 15

PILI (fimbrae)

Question 16

Enables bacteria adhere or attached to the surface.

Answer 16

One type

Question 17

2 types of PILI

Answer 17

One type and sex pilus

Question 18

Enables transfer of genetic materials from one bacterial cell to another.

Answer 18

Sex Pilus

Question 19

Genetic material (usually in the form of plastids) is then transferred through the hollow sex pilus from donor cell to the recipient cell.

Answer 19

Conjugation

Question 20

Capable of forming thick- walled spores as a means of survival when their moisture or nutrients supply is low.

Answer 20

SPORES (ENDOSPORES)

Question 21

The process by which spore form. A copy of chromosomes and some of surroundings cytoplasm becomes enclosed in several thick protein coats.

Answer 21

Sporulation

Question 22

The process by which one cell splits in half to become two daughter cells.

Answer 22

BINARY FISSION

Question 23

The time it takes for binary fission to occur. ranges from 10-minutes – 24 hour.

Answer 23

Generation Time

Question 24

3 interrelated areas in Taxonomy

Answer 24

classification, nomenclature, and identification

Question 25

The arrangement of organism into taxonomic groups.

Answer 25

Classification

Question 26

Includes the kingdom or domain, division or phyla, classes, orders, family’s genera and species

Answer 26

TAXA

Question 27

THE process of determining whether an isolate belongs to one of the established named taxa or represents a previously unidentified species.

Answer 27

IDENTIFICATION

Question 28

The assignment of names to the various taxa according to international rules.

Answer 28

Nomenclature