Unit 2 SG cells

Question 1

two types of cells

Answer 1

animal and plant

Question 2

Plant cells have but not animal cells

Answer 2

chloroplasts
cell wall
vacuole

Question 3

what two cells types have a nucleus?

Answer 3

animal and plant

Question 4

barrier between inside and outside of cells?

Answer 4

phospholipid bilayer / cell membrane

Question 5

do all cells have a cell wall?

Answer 5

no, only plants

Question 6

what is cell membrane made out of?

Answer 6

phospholipids bilayer
proteins
carbohydrates

Question 7

phospholipid heads are

Answer 7

hydrophylic

Question 8

fatty acid tails are hydro-

Answer 8

hydrophobic

Question 9

what do proteins do in the membrane?

Answer 9

transport proteins, enzymes, recognition, adhesion, receptor

Question 10

criteria for transport across cell membrane?

Answer 10

permeable and concentration gradient

Question 11

Permeable criteria

Answer 11

lipid based
small molecules
no charged

Question 12

passive concentration gradients

Answer 12

diffusion - solutes
osmosis - water
facilitated diffusion - through transport channel

Question 13

endocytocys

Answer 13

substance ingested

Question 14

exocytosis

Answer 14

substance exported

Question 15

phospholipid biomolecule type?

Answer 15

lipid

Question 16

cell signal transduction

Answer 16

1. signal
2. reception
3. transduction
4. response

Question 17

control center of the cell

Answer 17

nucleus

Question 18

where do ribosomes get made?

Answer 18

nucleolus

Question 19

modify proteins and make lipids

Answer 19

endoplasmic reticulum

Question 20

ribosomes synthesize proteins in smooth or Rough ER

Answer 20

rough ER