1.2 - Ultrastructure of Cells

Question 1

Prokaryotic Cell Structure

Answer 1

Unicellular organisms without a membrane-bound structure

Question 2

Eukaryotic Cell Structure

Answer 2

Membrane-bound structures with compartmentalized organelles

Question 3

Cytoplasm

Answer 3

Internal fluid component of the cell

Question 4

Cell wall

Answer 4

Membrane of the cell surrounding cell membrane; maintains shape and prevents lysis

Question 5

Cell membrane

Answer 5

Semi-permeable and selective barrier surrounding cell; controls movement of materials in and out the cell

Question 6

Pili

Answer 6

Hair-like extensions enabling adherence to surfaces

Question 7

Flagellum

Answer 7

Slender projections that enable movement

Question 8

Nucleoid Region

Answer 8

Region of the cytoplasm where DNA is located

Question 9

Endoplasmic Reticulum

Answer 9

Transport and protein synthesis

Question 10

Golgi apparatus

Answer 10

Packaging and transporting molecules

Question 11

Lysosome

Answer 11

Enzyme for digestion

Question 12

Ribosome

Answer 12

Site of protein synthesis

Question 13

Mitochondria

Answer 13

Powerhouse of the cell

Question 14

Vacuole

Answer 14

Store material

Question 15

Nucleus

Answer 15

Controlling cell activities

Question 16

Chloroplasts

Answer 16

Site of photosynthesis