1.2 - Cell Ultrastructure

Question 1

Define prokaryotic

Answer 1

Single cells of single-celled organisms without compartmentalisation

Question 2

Define cytoplasm

Answer 2

Fluid containing many enzymes responsible for metabolism

Question 3

Define ribosomes

Answer 3

Small granular structures responsible for synthesising proteins (70s)

Question 4

Define plasma membrane

Answer 4

Thin phospholipid bilayer that controls entry and exit of substances

Question 5

Define pilli

Answer 5

Protein filaments used for bacterial adhesion and conjugation

Question 6

Define flagella

Answer 6

Corkscrew structures that rotate for propulsion

Question 7

Define cell wall

Answer 7

Peptidoglycon and protects, maintains the shape of, and prevents bursting of the cell

Question 8

Define nucleoid

Answer 8

Region containing genetic material, DNA is circular and naked

Question 9

Define eukaryotic

Answer 9

These are single cells of a multicellular organism with compartmentalisation

Question 10

Name 2 examples of prokaryotic cells

Answer 10

Bacteria

Archaea

Question 11

Name 4 examples of eukaryotic cells

Answer 11

Animal
Plant
Fungi
Protoctists