Chapter 3 terms

Question 1

Are all unicellular and lack a membrane bound nucleus.

Answer 1

Prokaryotes

Question 2

The ability to take on different forms.

Answer 2

Pleomorphic

Question 3

Cells with a rod or cylindrical shape.

Answer 3

Bacilli

Question 4

Cells with a spherical shape.

Answer 4

Cocci

Question 5

Cells with a comma shape.

Answer 5

Vibrio

Question 6

Cells with a star shape.

Answer 6

Stella

Question 7

Cells with a Ovid shape

Answer 7

Coccobacilli

Question 8

When some cocci divide to produce a pairing of cells it is known as..

Answer 8

Diplococaal arrangement.

Question 9

Longer chains of of spherical cells are known as..

Answer 9

Streptococci

Question 10

When cocci divide to form a. grape like cluster of cells there are said to have..

Answer 10

Staph

Question 11

A process simpler then mitosis, which is the form of asexual cell division that most eukaryotic cells use.

Answer 11

Binary fission

Question 12

All cells whether they are prokaryotic or eukaryotic, are surrounded by an outer boundary.

Answer 12

Plasma membrane

Question 13

A cell wall that lies just outside of the plasma membrane in most prokaryotic cells, fungi, plants some other organisms; animal cells lack a cell wall

Answer 13

Cell Wall

Question 14

Bacteria uses this mesh like molecule includes protein and sugar units and is a core component of their cell wall.

Answer 14

Peptidoglycan

Question 15

Between the peptidoglycan layer and the outer membrane is a gap filled with a gel like fluid that I enriched with various factors that have important roles in helping the bacterium obtain nutrients and neutralize potentially toxic substances.

Answer 15

Periplasmic space

Question 16

The outer membrane along with a thin peptidoglycan later in their cell walls is..pink

Answer 16

Gram negative

Question 17

Bacteria lack outer membranes and have a thick peptidoglycan layer in their cell walls..purple

Answer 17

Gram positive

Question 18

Acid-fast staining technique detects a way lipid in cell walls known as..

Answer 18

Mycolic acid

Question 19

Movement in response to chemicals.

Answer 19

Chemotaxis

Question 20

Movement in response to light.

Answer 20

Phototaxis

Question 21

Movement in response to oxygen.

Answer 21

Aerotaxis

Question 22

A shorts bristle like structure that extrude from the cell surface. Made of protein, they tend to be numerous and cover the cell.

Answer 22

Fimbriae

Question 23

Similar to fimbriae, except that they tend to be longer more rigid and less numerous. They are used to adhere to surfaces, move and aid in gene transfer through conjugation.

Answer 23

Pili