Organelles

Question 1

Nucleus - composition

Answer 1

double membrane

Question 2

Nucleus- contains

Answer 2

genetic material

Question 3

Nucleus - functions

Answer 3

pores in membrane that control entry and exit of substances in and out of the nucleus

Question 4

Ribosome - function

Answer 4

translate mRNA into proteins

Question 5

Ribosomes - sorts (2)

Answer 5

bound and free ribosomes

Question 6

free ribosomes - make?

Answer 6

cytosolic proteins

Question 7

free-ribosomes - functions

Answer 7

incorporrated into cytoskeleton, mitochondria, paroxisome

Question 8

bound-ribosome - attachment

Answer 8

exterior surface of RER

Question 9

Bound-ribosome - functions

Answer 9

make proteins incorporated into membrane. transported inside organelles or transported outside the cell

Question 10

vesicles - composition

Answer 10

small membrane bound sac

Question 11

vesicles - functions

Answer 11

transportbetween component of endomembrane system

Question 12

edoplasmic reticulum (ER) - composition

Answer 12

network of internal membrane

Question 13

ER - sorts (2)

Answer 13

smooth ER

rough ER

Question 14

SER- particularity

Answer 14

w /out ribosomes attached

Question 15

RER - particularity

Answer 15

w/ ribosomes attached

Question 16

Golgi - composition

Answer 16

made of flattened , stacked membrane saCS

Question 17

Golgi - Funtions

Answer 17

modifies proteins into the vesicles

Question 18

lysosomes - composition

Answer 18

membrane-bound sac of enzyme

Question 19

lysosome - functions

Answer 19

1. intracellular digestion
2. recycle organelles
3. apoptosis
4. destroy bacteria

Question 20

lysosome - pH

Answer 20

4.8

Question 21

vacuoles - composition

Answer 21

membrane-bound sac, larger than vesicles

Question 22

food vacuoles - functions

Answer 22

intracellular digestion

Question 23

food vacuoles - fusion

Answer 23

fuses with lysosome

Question 24

vacuoles - sorts

Answer 24

1. food vacuoles
2. contractile vacuoles
3. central vacuoles

Question 25

contractile vacuoles - functions

Answer 25

pump excess water IN PROTOZOA

Question 26

central vacuoles - functions

Answer 26

IN PLANTS storage of ions

Question 27

peroxisome - conposition

Answer 27

single- membrane-bound organelles

Question 28

proxisome - contains

Answer 28

enzymes

Question 29

peroxisome - functions

Answer 29

oxidase - H–> O2

catalase - H2O2 –> H2O

Question 30

mitochondria - composition

Answer 30

bacteria = double membrane

Question 31

mitochondria - functions

Answer 31

aerobic cellular respiration

Question 32

mitochondira - particularity

Answer 32

can grow and reproduce

Question 33

mitochondria - possess

Answer 33

mtDNA and ribosome

Question 34

plastids - composition

Answer 34

double membrane not made of ER

Question 35

plastids - organism

Answer 35

ONLY IN PLANTS AND ALGEA

Question 36

microtubules- compostion

Answer 36

hollow tubes of tubulin dimers

Question 37

microtubules - functions

Answer 37

1. shape and support
2. intracellular transport
3. chromosome division
4. motion cilia and flagella

Question 38

microfilaments - composition

Answer 38

solid filaments of ACTIN units twisted double chain

Question 39

microfilaments - functions

Answer 39

1. support
2. muscle contractions
3. cytokinesis of ANIMAL cell
4. ameboid movement cytoplasmic streaming in PLANTS
5. block exocytosis of hormones

Question 40

intermediate filaments - composition

Answer 40

two rods twisted in helix

Question 41

intermediate filaments - functions

Answer 41

1. cell shape support
2. fix shape of organelles
3. form nuclear lamina
4. form junctions olding cells together

Question 42

double membrane organelles?

Answer 42

nucleus, plastids, bacteria