Cell Bio

Question 1

what is the cell theory

Answer 1

cells are a basic unit of structure and function in life, all living things are made of cells, cells come from pre-existing cells

Question 2

what are the two cell types

Answer 2

prokaryotic, eukaryotic

Question 3

What three cell structures do only plants have

Answer 3

central vacuole, chloroplast, cell wall

Question 4

What 5 things do all cells have in common?

Answer 4

cell membrane, ribosomes, cytoplasm, DNA, plasma membrane

Question 5

What does semi-permeable mean?

Answer 5

allows certain substances to pass through, solvent but not certain solutes

Question 6

What is the tail end of the phospholipids?

Answer 6

non-polar

Question 7

what is the function of the phospholipids?

Answer 7

long term energy

Question 8

what is the function of cholestrol?

Answer 8

help with fluidity

Question 9

what is the function of proteins?

Answer 9

structure, cell wall, muscle

Question 10

how do molecules move during passive transport?

Answer 10

from high concentrations to low

Question 11

how do molecules move during active Transport?

Answer 11

molecules move from low concentrations to high

Question 12

What 3 transports are passive transport?

Answer 12

diffusion, facilitated diffusion, osmosis

Question 13

does passive transport require energy?

Answer 13

no

Question 14

what material does diffusion move through?

Answer 14

phospholipids

Question 15

what material does facilitated diffusion move through?

Answer 15

membrane spanning protein

Question 16

what material does osmosis move through?

Answer 16

water

Question 17

what 2 transports are active transports?

Answer 17

active Transport, cytosis

Question 18

does active Transport require energy?

Answer 18

yes

Question 19

what material does active Transport move through?

Answer 19

membrane spanning proteins

Question 20

what material does cytosis move through?

Answer 20

membrane form vacuole

Question 21

if a cell is hypotonic then it will get (larger/smaller)

Answer 21

larger

Question 22

if a cell is hypertonic it will get (larger/smaller)

Answer 22

smaller

Question 23

what are organelles?

Answer 23

cellular structure that has one or more specific hobs to perform in a cell

Question 24

why do cells have difference in their structures?

Answer 24

they accumulate different sets of RNA and protein molecules

Question 25

what characteristics describe a prokaryotic cell?

Answer 25

doesn’t have a membrane surrounding its DNA, free-floating

Question 26

what characteristics describe a eukaryotic cell?

Answer 26

nucleus is enclosed in nuclear membrane (nucleolus)

Question 27

what 2 cells are only in animal cells?

Answer 27

nucelus, membrane bound organelles