2- General Embryology and The Cell

Question 1

Ectoderm Gives Rise to

Answer 1

Neural tube
Epidermis
Salivary glands

Question 2

Mesoderm forms

Answer 2

Connective tissue
Dermis
Muscles
Cartilage and bone
CV system 
Genitourinary system

Question 3

Endodermis forms

Answer 3

Epithelial lining of gut tube and reps system

Question 4

Enamel Derived from

Answer 4

Ectoderm

Question 5

NCC Derived Dental Structures

Answer 5

Dentin
Cementum
Periodontal ligament
Pulp

Question 6

Heterochromatin

Answer 6

Electron dense

Coiled/inactive

Question 7

Euchromatin

Answer 7

Electron loose

Active

Question 8

Open faced nucleus

Answer 8

Pale staining

Prominent nucleolus

Undergoing transcription

Question 9

Closed faced nucleu

Answer 9

Dark staining
No nucleolus

No transcription

Question 10

Cis Face of Golgi

Answer 10

Convex

Receives proteins from RER

Question 11

Trans Face of Golgi

Answer 11

Concave

Sorts and packages proteins into secretory granules

Question 12

Microfilament/Actin Filaments

Answer 12

Maintains cell structure and organelle movement

Smallest component of cytoskeleton

Question 13

Intermediate Filament

Answer 13

Rope like polymers

Provides mechanical strength to cell

Question 14

Microtubules

Answer 14

Largest component of cytoskeleton

Polymerization of alpha and beta tubulin units form hollow tube

Maintenance of cell shape and organelle movement

Forms mitosis spindle, flagella..etc