Bio 141 Notes (2/13/14)

Question 1

Nucleus

Answer 1

compartment that contains the DNA genome

Question 2

Nucleolus

Answer 2

helps make ribosomes

Question 3

Ribosomes are made of…

Answer 3

RNA and protein

Question 4

Endomembrane System

Answer 4

plasma membranes (phospholipid bilayer) surround cell and organelles
cytosol

Question 5

Cytosol

Answer 5

area of cell outside of organelles

Question 6

Endoplasmic Reticulum (ER)

Answer 6

Rough ER and Smooth ER

Question 7

Rough ER

Answer 7

protein synthesis (ribosomes)

Question 8

What makes rough ER rough?

Answer 8

the ribosomes at the surface

Question 9

Ribosomes

Answer 9

protein synthesis

found in rough ER and cytosol

Question 10

Smooth ER

Answer 10

lipid synthesis, protein and modification

Question 11

Golgi Apparatus

Answer 11

packages and ships proteins for use inside or outside of cell

Question 12

Vesicles

Answer 12

small membrane enclosed packets

Question 13

Lysosomes

Answer 13

isolated packets for digestion

internal recycling or external food

Question 14

Mitochondrion (Mitochondira)

Answer 14

power plant for cells (all types of Eukayotic cells)
(2 membranes)
involved in cellular respiration (glucose -> energy)
membrane folded upon itself for more membrane area

Question 15

Chloroplast

Answer 15

energy generation (plant cells only)
light energy into food
involved in photosynthesis (sunlight -> glucose)

Question 16

Endosymbiosis

Answer 16

cell eating another cell and living in it

Question 17

Cytoskeleton

Answer 17

structure, transport and support
internal highway for support
protein strands: units include actin and tubulin
transport along microtubules

Question 18

Membranes

Answer 18

boarder patrol

depend upon phospholipids