4. Prokaryotic Cells

Question 1

The prokaryotic cells are represented by bacteria, blue-green algae, mycoplasma and PPLO.
T/F

Answer 1

True

Question 2

PPLO is a type of Mycoplasma.
T/F

Answer 2

True

Question 3

PPLO stands for:

Answer 3

Pleuro Pneumonia Like Organisms

Question 4

Prokaryotic cells are generally smaller and multiply more rapidly than the eukaryotic cells
T/F

Answer 4

True

Question 5

Prokaryotes may vary greatly in shape and size.
T/F

Answer 5

True

Question 6

4 basic shapes of Bacteria are:

1. Rod-shaped -
2. Spherical-shaped -
3. Comma-shaped -
4. Spiral-shaped -

Answer 6

1. Rod-shaped - Bacillus
2. Spherical-shaped - Coccus
3. Comma-shaped - Vibrio
4. Spiral-shaped - Spirillum

Question 7

The organization of Prokaryotic cells is fundamentally similar even though prokaryotes exhibit a wide variety of shapes and functions.
T/F

Answer 7

True

Question 8

All prokaryotes have cell walls except ____.

Answer 8

Mycoplasma

Question 9

The fluid matrix filling the prokaryotic cell is ____.

Answer 9

Cytoplasm

Question 10

In prokaryotic cells, naked genetic material without any nuclear envelope or membrane is called ______.

Answer 10

Nucleoid or Genophore or Genomic DNA

Question 11

Genomic DNA is ____ (single/double) strained ______ (single/double) chromosome and ____ (linear/circular) DNA.

Answer 11

double strained;
single chromosome;
circular DNA

Question 12

Many Bacteria have small circular DNA outside genomic DNA called ______

Answer 12

Plasmid DNA

Question 13

In prokaryotes, ____ DNA is extra-chromosomal ds-circular DNA which is capable of independent replication.

Answer 13

Plasmid DNA

Question 14

____ DNA confers certain unique phenotypic characters to such bacteria, such as resistance to antibiotics.

Answer 14

Plasmid DNA

Question 15

____ DNA used to monitor bacterial transformation with foreign DNA.

Answer 15

Plasmid DNA

Question 16

The nuclear membrane is found in ____ (Eukaryotes/Prokaryotes).

Answer 16

Eukaryotes

Question 17

______ is the only organelle found in both prokaryotes and eukaryotes.

Answer 17

Ribosomes

Question 18

Prokaryotes have something unique in the form of ______ bodies, used for storage.

Answer 18

inclusion bodies

Question 19

In prokaryotes, a specialized differentiated form of the cell membrane is called ______.

Answer 19

Mesosomes

Question 20

Mesosomes are the characteristics of Eukaryotes.
T/F

Answer 20

False

Question 21

Mesosomes are essentially infoldings of the cell wall.
T/F

Answer 21

False,
Mesosomes are essentially infoldings of cell membranes.