Lab 3 (Cells)

Question 1

what are two examples of eukaryotic cells?

Answer 1

animals and plants

Question 2

what are ribosomes?

Answer 2

assembles amino acids into proteins

Question 3

what the rough ER do?

Answer 3

contains ribosomes

Question 4

what do peroxisomes do?

Answer 4

breaks down fatty acids

Question 5

what is passive process/transport?

Answer 5

moves down its concentration, moves material from higher to lower concentrations

Question 6

what is active process/transport?

Answer 6

cellular energy is used to move the substance against its concentration gradient, move material from lower to higher concentration

Question 7

what is hypertonic?

Answer 7

water has more of the solute than the cell does (shrinks)

Question 8

what is isotonic?

Answer 8

water and solute are at the same concentration (equilibrium)

Question 9

what are cells?

Answer 9

smallest unit of life

Question 10

what do all cells have in common?

Answer 10

plasma membrane, ribosomes, cytoplasm, DNA

Question 11

what are all living organism made up of?

Answer 11

cells

Question 12

what is unicellular?

Answer 12

one cell

Question 13

what is multicellular?

Answer 13

many cells

Question 14

what are organelles?

Answer 14

smaller parts of a cell

Question 15

what are two types of cells?

Answer 15

eukaryotic and prokaryotic

Question 16

are prokaryotic cell unicellular or multicellular?

Answer 16

unicellular

Question 17

what two things don’t prokaryotic have?

Answer 17

nucleus and membrane bound organelles

Question 18

what are two examples of prokaryotic cells?

Answer 18

bacteria and archaea

Question 19

are eukaryotic cells unicellular or multicelluar?

Answer 19

multicellular

Question 20

what do eukaryotes have that prokaryotes don’t?

Answer 20

nucleus and membrane bound organelles

Question 21

where is the DNA store in a eukaryotic cell?

Answer 21

nucleus

Question 22

what is the cytoplasm?

Answer 22

liquid that fills the space not occupied by organelles

Question 23

what is the mitchondria?

Answer 23

the power house the cell, coverts food energy into ATP

Question 24

what is the fucntion of the nucleus?

Answer 24

contain cell’s DNA genetic information

Question 25

what is the plasma membrane?

Answer 25

the phospholipid layer surrounds the cell, controls what enter and leaves the cell

Question 26

what is DNA?

Answer 26

where genetic makeup is stored

Question 27

what is the endoplasmic reticulum?

Answer 27

synthesis of protein, lipids, and steroids

Question 28

what doesn't the smooth ER do that the rough ER does?

Answer 28

does not contain ribosomes

Question 29

what does the Golgi apparatus do?

Answer 29

modifies, sorts, and packages proteins

Question 30

what do lysosomes do?

Answer 30

digest excess or worn out organelles

Question 31

what can diffuse across the plasma membrane without assistance?

Answer 31

small non-charges molecules

Question 32

is energy required for passive transport?

Answer 32

no energy required

Question 33

what is an example of passive transport?

Answer 33

diffusion

Question 34

is energy required for active transport?

Answer 34

energy is required (ATP)

Question 35

what is osmosis?

Answer 35

the movement of water across a membrane from higher to lower concentrations through selectively permeable membrane

Question 36

what is tonicity?

Answer 36

the relative concentration of solute and solvent; how direction of water is determined

Question 37

what is hypertonic?

Answer 37

water has less of the solute than the cell does (swells)

Question 38

what is the cytosol?

Answer 38

gives internal support to the cell, help for proteins, organelles, etc. to move around

Question 39

when do centrioles help with?

Answer 39

help with cell division in animal cells