part 2 organelles

Question 1

prokaryotic cells

Answer 1

pro=before
-karyotic = nucleus
first cells
were primitive, small, had no difined nucleus and no membrane bound cell organelles
-they have ribosomes

Question 2

eukaryotic cells

Answer 2

eu= true
karyotic=nucleus
modern cells
have membrane bound organelles and nucleus

Question 3

evolution

Answer 3

earth formed
first life- prokaryotic bacteria dominate
nucleated cells arise- eukaryotic
cambian explosion multi cellular eukaryotic arise

Question 4

smooth ER

Answer 4

you’ll find alot of smoothe ER in liver cells and glands that make hormones

Question 5

nucleus

Answer 5

center of cell
stores genetic info
controls cell’s activities through protein synthesis
controls cell division

Question 6

cytoskeleton

Answer 6

gives cell shape and form
helps transports organelles around cell
allow cell movement via cilia, flagella and pseudopods

Question 7

cilia & flagella

Answer 7

hair like projections that use energy to produce movement/locomotion
moves as pairs of tubules move past each other

Question 8

centroile (centrosome)

Answer 8

a group of microtubules that grow at 90 degrees
attach to and move the spindle fibers during mitosis
found in animals only

Question 9

chloroplasts

Answer 9

form photosynthesis in autotrophic cells like plants. carbon hydrates r formed here