Ultrastructures of the Cell

Question 1

Nucleus

Answer 1

Contains genetic material: DNA

Regulates growth and division

Question 2

Golgi Complex

Answer 2

Packages lipids and proteins for transportation

Packaging plant and secretory vesicle of the cell

Question 3

Nucleolus

Answer 3

Site of ribosome synthesis & ribosomal RNA synthesis

Question 4

Ribosome

Answer 4

Protein assembly site

Question 5

Peroxisome

Answer 5

contains enzymes for oxidation

Question 6

Centrosome

Answer 6

Microtubule organizing center

Question 7

Mitochondria

Answer 7

Powerhouse of the cell. Responsible for the production of adenosine triphosphate (energy source)

Question 8

Lysosome

Answer 8

tiny sacs created by golgi bodies. contains digestive enzymes.

Question 9

Endoplasmic Reticulum

Answer 9

circulatory system of the cell.

involved in production, processing & transport of proteins synthesized by ribosomes

Question 10

Cytoskeleton

Answer 10

Maintains cell shape

Question 11

Plasma membrane / Cell Membrane

Answer 11

Outer boundary, involved in transport & cell-to-cell communication via signal transduction

Question 12

Vacuoles

Answer 12

helps in storage and disposal of wasteproducts

endocytosis: paloob
exocytosis: palabas

Question 13

Flagella and pili

Answer 13

Single, long, hair-like. Facilitates the movement and communication between cells

Question 14

Cell wall

Answer 14

Envelope of the plant cell which gives support, strength and protection

Question 15

Cytoplasm

Answer 15

composed of cytosol. intracellular environment containing organelles

Question 16

Organelles

Answer 16

Responsible in performing metabolic activities

Question 17

Centriole

Answer 17

creates centrosome and basal bodies

Question 18

chloroplast

Answer 18

contains chlorophyll- essential for photosynthesis

Question 19

Rough E.R

Answer 19

lined with ribosomes for the distribution of proteins

Question 20

Smooth E.R

Answer 20

for the transportation of carbohydrates and lipids

Question 21

Nuclear Envelope

Answer 21

double membrane surrounding nucleus

Question 22

what organelles are present in bacterial cell? (3)

Answer 22

Cell wall
plasma membrane
ribosomes

Question 23

what organelles are present in plant cell? (10)

Answer 23

Cell wall
plasma membrane
vacuoles
golgi complex
nucleus
mitochondrion/-ia
ribosomes
nucleolus
chloroplastid
endoplasmic reticulum

Question 24

what organelles are present in animal cell? (9)

Answer 24

plasma membrane
vacuoles
golgi complex
nucleus
mitochondrion/-ia
ribosomes
nucleolus
endoplasmic reticulum
lysosome

Question 25

size of prokaryotic cell

Answer 25

1 to 10 um

Question 26

size of eukaryotic cell

Answer 26

10 to 100 um

Question 27

shape of prokaryotic cell

Answer 27

sphere, rod, spirals

Question 28

shape of eukaryotic cell

Answer 28

spheroid,ovoid,cuboidal,flat,discoidal

Question 29

Type of nucleus in prokaryotic cell

Answer 29

absent

Question 30

type of nucleus in eukaryotic cell

Answer 30

Present, true nucleus

Question 31

structure of dna in prokaryotic cell

Answer 31

single stranded, circular

Question 32

structure of dna in eukaryotic cell

Answer 32

double stranded, linear

Question 33

structure of ribosome in prokaryotic cell

Answer 33

70S

Question 34

structure of ribosome in eukaryotic cell

Answer 34

80S

Question 35

size of plant cell

Answer 35

10 to 100 um

Question 36

size of animal cell

Answer 36

10 to 30 um

Question 37

shape of plant cell

Answer 37

cuboidal, rectangular

Question 38

shape of animal cell

Answer 38

irregular, round

Question 39

protective covering of plant cell

Answer 39

cell wall

Question 40

protective covering of animal cell

Answer 40

plasma membrane

Question 41

spindle fibers

Answer 41

network of microtubules that extend during cell division

Question 42

microvilli

Answer 42

tiny, finger-like projections that increase surface area of cell for efficient absorption

Question 43

Cilia

Answer 43

numerous, short, hair-like that propel material along cell surface

Question 44

channelopathies

Answer 44

diseases that stem from faulty ion channel

Question 45

secretion

Answer 45

release of a substance from a cell. begins when body sends biochemical msg

Question 46

lysosomal storage disease

Answer 46

absence or malfunction of an enzyme in lysosome