1. Chemistry

Question 1

5 properties of water

Answer 1

solvent, high heat capacity, ice floats, cohesion, adhesion

Question 2

phospholipid

Answer 2

two fatty acids and a phosphate

Question 3

steroids

Answer 3

three 6 membered rings, and one 5 membered

Question 4

waxes

Answer 4

lipid derivative. have esters and OH. protective coating

Question 5

carotenoids

Answer 5

fatty acids with double bonds, and hexanes at each end

Question 6

porphyrins

Answer 6

4 joined pyrrole rings. with metal complex

Question 7

white fat cells

Answer 7

adipocytes. lots of lipids

Question 8

brown fat cells

Answer 8

adipocytes. scattered lipids with mitochondria

Question 9

glycolipids

Answer 9

phospholipids but carbs,

Question 10

pi bond number and polarity

Answer 10

triple bonds, polar than single bonds

Question 11

casein

Answer 11

milk storage protein

Question 12

ovalbumin

Answer 12

egg storage protein

Question 13

zein

Answer 13

corn storage protein

Question 14

enzymes can’t change

Answer 14

spontaneity

Question 15

cofactors

Answer 15

nonprotein that assist enzymes

Question 16

holoenzyme

Answer 16

union of cofactor and enzyme. apoprotein is w/o

Question 17

albumin and globulin protein

Answer 17

carriers or enzyme

Question 18

scleroprotein

Answer 18

fibrous structure

Question 19

mucoprotein

Answer 19

bound to carb protein

Question 20

secondary protein structure

Answer 20

h bonding only between amino acids

Question 21

globular protein

Answer 21

water soluble, diverse function, . 3ary structure

Question 22

fibrous structure protein

Answer 22

insoluble long polymers, add strength. 2nd structure

Question 23

purines

Answer 23

(2 ring) adenine guanine

Question 24

pyrimidines

Answer 24

(3 ring) cytosine thymine

Question 25

AT H bonds

Answer 25

2

Question 26

GC h bonds

Answer 26

3

Question 27

stereomicroscope

Answer 27

visible light. living sample. low res

Question 28

cell size

Answer 28

virus, bacteria, animal cell, plant cell

Question 29

compound microscope

Answer 29

visible light. thin sample only. staining sometimes

Question 30

phase contrast micro

Answer 30

light phase and contrast. detailed picture if THIN. Halo affect on edges

Question 31

confocal laser scanning and fluro

Answer 31

thin samples. fluorescent tagging of living cells. causes artifacts. used for chromosomes. can use with laser only

Question 32

scanning electron micro

Answer 32

surface of objects with 3D res. dead only. moneyyy and prep intensive (must be dehydrated)

Question 33

cryosem

Answer 33

dead only. frozen NOT dry. cause artifacts

Question 34

transmission electron micro

Answer 34

thin cross sections in detail. internal structures, high res. DEAD and moneyy

Question 35

electron tomography

Answer 35

3d model using TEM,

Question 36

centrifugation

Answer 36

separates liquid cell into layers

Question 37

centrifugation layer separation of cells

Answer 37

1. dense: nuclei
2. mitochondria/ chloroplasts. lysosomes. peroxisomes
3. microsomes and small stuff
4. ribosomes/ virus

Question 38

competitive inhibition km and v max

Answer 38

km is raised (inefficient binding) (higher curve) but v max (plateau) still reached

Question 39

non-competitive inhibition km and v max

Answer 39

km unchanged (binding same). but max is lower

Question 40

small km means

Answer 40

enzyme requires small amount of substrate to be saturated. therefore efficient