Lab Test #1

Front 1

what manification is scanner?

Back 1

4

Front 2

what manification is low power?

Back 2

10

Front 3

what manification is high power?

Back 3

40

Front 4

ex/ of ph method that is qualitative

Back 4

lithmus paper

Front 5

ex/ of ph method that is quantiative

Back 5

pH paper

Front 6

what is dehydration synthesis?

Back 6

building molecules by taking water out

Front 7

what is hydrolysis?

Back 7

split atoms apart by adding water

Front 8

iodine is used when testing for what? & what is the original color?

Back 8

starch; amber

Front 9

which molecules are polymers?

Back 9

carbs, proteins, nucleic acids.

Front 10

what are polysaccharides?

Back 10

polymers formed by binding monosaccharides

Front 11

what color does starch turn when chemical mix is positive?

Back 11

purp/blackish

Front 12

how do you know if the chemical reaction is pos?

Back 12

the color will change

Front 13

what indicator is used when testing for glucose & orgin coor?

Back 13

benedicts; turquoise

Front 14

what idicator is used to test or proteins & what is orig color?

Back 14

biuret; royal blue>blue/purp

Front 15

what color does pos glucouse test become?

Back 15

orange(opposite of blue)

Front 16

what is triglyceride?

Back 16

bonding of 1 glycerol & 3 fatty acids

Front 17

what chemical mixes & stains lipids?

Back 17

sudan 3

Front 18

what chemical creates emulsion btwn water & lipids

Back 18

veggie oil, water & bile salts

Front 19

what part of starches molecule changes during reaction?

Back 19

enters center of 3D coil

Front 20

what part of proteins molecule changes during reaction?

Back 20

peptine bond

Front 21

what type of cell is an animal cell?

Back 21

eukaryotic (has nucleus)

Front 22

what is a nucleus?

Back 22

membrane-bound structure; contains DNA (genetic moleule)

Front 23

what is plasma membrane?

Back 23

membrane that forms boundary for cells &acts as selective barrier to molecules into & out of cell

Front 24

what does a white blood cell contain?

Back 24

nucleus & cytoplasm

Front 25

what is cytoplasm?

Back 25

semifuid in cell membrane

Front 26

what structures are found in epithelium cells?

Back 26

cell membrane, cytoplasm, nucleus.

Front 27

name type of animal cell (eukaryotic)

Back 27

squamous eplithelium, human blood, nervous tissue, cartilage, skeletal muscle

Front 28

which animal cell lacks a neuclus?

Back 28

red blood cell

Front 29

what is cell membrane?

Back 29

forms a barrier between the inside of the cell and the outside

Front 30

what does a red blood cell contain?

Back 30

cytoplasm

Front 31

what is found inside cartilage cells?

Back 31

matrix

Front 32

what is found inside skeletal muscles

Back 32

muscle fiber, striation & nucleui

Front 33

what is the function of squamous epithelial?

Back 33

protect underlying cells or tissue

Front 34

what is the function of human red blood cells?

Back 34

transport oxygen throughout circulatory system.

Front 35

what is the function of human white blood cells?

Back 35

defend body from infection

Front 36

what is the function of skeletal muscle?

Back 36

cause movement of bones at joints

Front 37

what is the function of cartilage?

Back 37

provide flexible support.
eg. nose, outer ear, trachae

Front 38

what is the function of neuron?

Back 38

receptor of stimuli & conducts impluses to muscles & grandular system

Front 39

explain the role of red cabbage extract & bromothymol blue

Back 39

the reaction color determines the pH level .

Front 40

explain the role of pH buffers

Back 40

keeps pH stable-takes up excess H+ & OH-

Front 41

diff between animal cells & plant cells

Back 41

plants have
1.cell wall
2.plastid organelles ex/chloroplasts(photsynthesis)
3 large central vacuole (stores water)

Front 42

what is osmosis?

Back 42

diffusion of molecules thru semi-permiable membrane

Front 43

what does it mean to have a semi permiable membrane?

Back 43

membrane allows small molecules to enter & leave
and blocks big ones

Front 44

what is a solvent

Back 44

liquid that dissolves the solute

Front 45

what is solute?

Back 45

substance that dissolves in liquid solvent producing a solution

Front 46

the greater the concentration of a molecule the ____

Back 46

slower its rate of difussion

Front 47

what is the Law of Diffusion?

Back 47

whenever a semi-permeable membrane seperates unequal water concentration; water in high concentration move out to areas of low concentration

Front 48

what is osmosis?

Back 48

the movement of water in high concentration move out to areas of low concentration

Front 49

a solution of higher solute concentration has _____ concentration of water & is called?

Back 49

lesser; called HYPERtonic

Front 50

when water concentrations are equal it is?

Back 50

isotonic

Front 51

a solution of lower solute concentration has _____ concentration of water & is called?

Back 51

more water concentration & called HYPOtonic

Front 52

what is plasmolysis

Back 52

as plant lose water (in hypertonic solution) it shrivels & plasma membrane pulls away from cell wall.

Front 53

what is cytoplasm?

Back 53

semi fliud substance in cell

Front 54

what is the nucleus of a cell?

Back 54

membrane-bound structure that contains the DNA.

Front 55

what is a matrix?

Back 55

ground substance

Front 56

what is a cell plasma membrane?

Back 56

srrounds cell forming the outer boundary

Front 57

a nerve cell is also called?

Back 57

a neuron

Front 58

what do animal cells have that plant cell don't?

Back 58

1 -lysosome
2-centriole

Front 59

what do plant cells have that animal cells don't?

Back 59

1. central vacuole
2. chloroplast
3. cell wall
4. plasmodesma