Biological Molecules

Question 1

Percentage of proteins in bacterial vs mammalian cell

Answer 1

15 bacterial
18 mammalian

Question 2

Percentage of carbohydrates in bacterial vs mammalian cell

Answer 2

3 bacterial
4 mammalian

Question 3

Percentage of lipids in bacterial vs mammalian cell

Answer 3

2 bacterial
3 mammalian

Question 4

Percentage of DNA in bacterial vs mammalian cell

Answer 4

1 bacterial
0.25 mammalian

Question 5

Percentage of RNA in bacterial vs mammalian cell

Answer 5

6 bacterial
1.1 mammalian

Question 6

Percentage of Water in bacterial vs mammalian cell

Answer 6

70 in both

Question 7

Percentage of enzymes, hormones, etc in bacterial vs mammalian cell

Answer 7

2 in both

Question 8

Percentage of inorganic ions in bacterial vs mammalian cell

Answer 8

1 in both

Question 9

Cohesive vs adhesive

Answer 9

Cohesive means water molecules stick to e/o
Adhesive means water molecules stick to other surfaces

Question 10

Specific heat of water

Answer 10

4.18 J/gmCº

Question 11

Heat of vaporization of water

Answer 11

2260 J/gm

Question 12

Which types of carbohydrates are sweetest and which are tastless

Answer 12

Monosaccharides are sweetest
Polysaccharides have no taste

Question 13

Sweetest monosaccahride

Answer 13

Fructose

Question 14

List monosaccharide names

Answer 14

Glucose
Galactose
Fructose

Question 15

All disaccharides and how to get them

Answer 15

glucose + glucose = maltose
glucose + galactose = lactose
glucose + fructose = sucrose (genshin 2nd banner so DIsaccharide)

Question 16

Glucose + Fructose + Galactose =

Answer 16

Raffinose

Question 17

Sucrose is a _____________ sugar

Answer 17

non reducing

Question 18

Our bodies can only use _____ sugars and our amino acids are ____________

Answer 18

Right handed sugars
Left handed amino acids

Question 19

Bacteria have ______ amino acids

Answer 19

Right handed

Question 20

1.6 is

Answer 20

branched

Question 21

Starch is made up of

Answer 21

a glucose 1,4 + 1,6

Question 22

Glycigen is made up of

Answer 22

a gluvose 1,6

Question 23

Cellulose is made up of

Answer 23

beta glucose 1,4

Question 24

Chitin is made up of

Answer 24

beta glucose 1,4

Question 25

Chitin has a _____ group

Answer 25

Amino group (NH2)

Question 26

grapes contain

Answer 26

27% of glucose

Question 27

Simplest amino acid

Answer 27

GLycine

Question 28

Aromatic amino acids

Answer 28

Phenylalanine and tryosine

Question 29

How many aa in hemoglobin

Answer 29

574

Question 30

In sickle cell anemia

Answer 30

Glutamic acid is replaced by valine

Question 31

How many alpha and betwa chains in hemoglobin and how many A.A in eaach

Answer 31

2 alpha (141 A.A) 2 Beta (146 A.A)

Question 32

Examples of fibrous proteins

Answer 32

Keratin, Myosin, Collagen, Fibrinogen

Question 33

Globular proteins examples

Answer 33

Hemoglobin, Albumen, enzymes, antibodies

Question 34

Globular proteins are

Answer 34

Water soluhle

Question 35

Fibrous proteins are

Answer 35

Water insoluble

Question 36

Precurosors of Amino acids

Answer 36

Ketoglutaric acid

Question 37

Who discovered first A.A sequence and in what

Answer 37

Sanger in 1951 in insulin

Question 38

Most fatty avids contain

Answer 38

16-18 carbon atoms

Question 39

Saturated acid example

Answer 39

Palmatic acid

Question 40

Unsaturated fatty acids example

Answer 40

Oleic acid

Question 41

Saturated fatty acids have a ______ mp/bp

Answer 41

Higher

Question 42

Phosphate head is

Answer 42

Polar and hydrophilic

Question 43

Second messengers examples

Answer 43

Arachidonic acid, phosphatidate, diaglycerol

Question 44

Waxes are

Answer 44

long chain fatty acids with long chain alcohols

Question 45

Each steroid is formed with a backbone of

Answer 45

4 fused carbon rings (17C)

Question 46

Precursor of all steroid hormones

Answer 46

Cholestrol

Question 47

Steroid hormone examples

Answer 47

Cholesterol, aldosterone, vit D, testosterone, progesterone[r

Question 48

Nitrogenous base attached to carbon number ___ and phosphate attached to carbon ____

Answer 48

Nitrogenous to oNe and PHosPHate to Five

Question 49

Pyramidines

Answer 49

Uracil Thymine Cytosine

Question 50

Purines

Answer 50

Adenine Guanine

Question 51

Which has single ring

Answer 51

Pyramidines

Question 52

RNA is a _____ polynucleotide strand

Answer 52

Single

Question 53

Lipoprotein examples

Answer 53

Plasma membrane

Question 54

Glycolipids are important components of

Answer 54

Brain and plasma membrane

Question 55

Glycoproteins are present in

Answer 55

Egg albumin