Cells And Microscopy

Question 1

Only plant cells have…

Answer 1

Chloroplast
Cell wall
Permanent vacuole

Question 2

Magnification equation

Answer 2

Image size/ actual size

Always write answer in micrometers

Question 3

Magnification

Answer 3

Number of the sizes larger and image is than its real size

Question 4

Resolution

Answer 4

The ability to distinguish between 2 objects very close together
(Higher resolution= greater detail)

Question 5

TEM

Answer 5

Beam of elections pass through
2D pic created
Specimens must be dehydrated and stained

Question 6

SEM

Answer 6

scans surface and creates 3D image

Must be dehydrated and stained

Question 7

Cell junctions

Answer 7

On edges of cell

Allows transport between cells, regulates fluids, fastens cells together, communication channels

Question 8

Mitochondria

Answer 8

Site of respiration

Question 9

Glogi apparatus

Answer 9

Sorts molecules for transport, created glycoproteins to make proteins active

Question 10

Lysosomes

Answer 10

Responsible for breakdown and digestion of unwanted structures

Question 11

Smooth ER

Answer 11

makes lipids and stores ions and solutions

Question 12

Rough ER

Answer 12

Sorts proteins

Question 13

Ribosomes

Answer 13

Site of protein synthesis

Question 14

Plasmodesmata

Answer 14

Allows movement and passage between cells and communication

Question 15

Features of prokaryotes

Answer 15

Unicellular 
Smaller than animal cells
Lack of a membrane bound organs 
Lack of nucleus- circular ring of DNA 
70s ribosomes
Flagellum

Question 16

Structure of a virus

Answer 16

No nucleus/ cytoplasm
Genetic material (RNA/DNA) contained within protein coat called a CAPSID
Capsid made of smaller protein molecules called capsomeres