Prokaryotic Cell Structure

Question 1

What is a prokaryote? and example of one

Answer 1

a single-celled organism without a nucleus and they do not have membrane-bound organelles

bacteria

Question 2

What’s the function of flagella and whats the number of flagella a bacteria can have
?

Answer 2

its is used for locomotion (movement)

they can have several or one flagella

Question 3

What’s the function of the plasma membrane?

Answer 3

Controls entry/exit of materials

Question 4

What’s the function of the cell wall?(3)

Answer 4

Support
protection
maintains the cells shape

Question 5

What’s the function of the capsule?

Answer 5

Protection and adhesion to other prokaryotes

Question 6

What’s the function of the ribosomes?

Answer 6

Production of proteins

Question 7

What’s the function of the nucleoid
?

Answer 7

The region containing the majority of D.N.A.

Question 8

What’s the function of the pilus/pilli?

Answer 8

movement, but are more often involved in adherence to surfaces.

Question 9

What’s different about the DNA in prokaryotes?

Answer 9

its contained in an area in the cell called the nucleoid, its not surrounded by nuclear membrane

also some contain plasmids

Question 10

What the difference between eukaryotic and prokaryotic ribosomes

Answer 10

the prokaryotic ribosome has 70S ribosomes

eukaryotic contain 80S

Question 11

What is the prokaryotic cell wall made of and where is it located?

Answer 11

peptidoglycan, under the capsule

Question 12

What are the common shaped bacterial shapes

Answer 12

1-Cocci

2-Bacillus(rod-shaped)

3-Spiral
Spirillum (rigid helix)
Spirochete (flexible helix)

4-Vibrios (comma shaped)

Question 13

MAHRAN LOOK AT THE POWERPOINT

Answer 13

MAHRAN LOOKS AT THE POWERPOINT