PART 3

Question 1

CLASSIFICATION (SHAPE)

▪️Keratin, Elastin (structural)

Answer 1

Fibrous

Question 2

CLASSIFICATION (COMPOSITION)

▪️amino acids with additional components (nonproteins)
▪️Ex. Glycoproteins, phosphoproteins
▪️Lipoproteins
▪️Nucleoproteins

Answer 2

Conjugated

Question 3

CLASSIFICATION (COMPOSITION)

▪️conjugated substances that is tightly bound to the protein (frequently found in enzymes)

Answer 3

Prosthetic Groups

Question 4

CLASSIFICATION (COMPOSITION)

▪️an originally longer protein that was made shorter due to hydrolysis

Answer 4

Derived

Question 5

CLASSIFICATION (SHAPE)

▪️Hemoglobin, Myoglobin, IG’S (Metabolic)

Answer 5

Globular

Question 5

▪️Myoglobin
▪️Albumins, casein, most plant seed proteins
▪️Ferritin

Answer 5

Storage

Question 5

▪️immunoglobulins and interferons
▪️prothrombin,fibrinogen, snake venom

Answer 5

Defence

Question 6

▪️ Amino acid neurotransmitters
▪️Peptide Hormones - insulin, Glucagon

Answer 6

Messenger/ regulatory

Question 7

▪️Collagen and Elastin,wool, silk, etc.
▪️Actin and myosin - added function for contraction - Ca2 dependent

Answer 7

Structural/ Contractile

Question 8

WHAT FUNCTION

▪️Hemoglobin
▪️Transferrin

Answer 8

Transport

Question 9

What are the 2 peptide hormones

Answer 9

Insulin
Glucagon

Question 9

▪️Enzymes- help convert substrate into products

Answer 9

Catalytic

Question 10

CLASSIFICATION (COMPOSITION)

▪️amino acids only
▪️Ex. Storage Proteins (albumins,globulins, gluten).

Answer 10

Simple

Question 11

storage form of Fe2

Answer 11

Ferritin

Question 11

WHAT FUNCTION

▪️Ferritin
▪️Ovalbumin
▪️Casein

Answer 11

Storage

Question 12

▪️Hemoglobin
▪️Membrane channels and pumps

Answer 12

Transport

Question 13

Transport form of Fe2

Answer 13

Transferrin

Question 13

WHAT FUNCTION

▪️Amylase
▪️Lipase
▪️Protease

Answer 13

Enzymatic

Question 14

WHAT FUNCTION

▪️Actin
▪️Myosin

Answer 14

Contractile and Motor

Question 15

WHAT FUNCTION

▪️Insulin
▪️Glucagon
▪️T3 & T4

Answer 15

Hormonal/ Regulatory

Question 16

WHAT FUNCTION

▪️Immunoglobulins
▪️Antibodies
▪️Fibrinogen
▪️Thrombin
▪️Snake venom

Answer 16

Defensive

Question 17

WHAT FUNCTION

▪️Nicotinic

Answer 17

Receptor

Question 18

WHAT FUNCTION

▪️Collagen
▪️Elastin
▪️Keratin
▪️Fibroin

Answer 18

Structural

Question 19

Reagent that specifically cleaves at the C-terminal side of METHIONINE RESIDUES.

Answer 19

Cyanogen Bromide

Question 20

Enzyme that cleaves peptide bonds at the C-terminal side of AROMATIC AMINO ACID like tryptophan, phenylalanine, and tyrosine.

Answer 20

Chrymotrypsin

Question 21

Separation Methods

Answer 21

By polarity By charge By size

Question 22

Types of Terminal Amino Acids ▪️include Edman reagent,sanger reagent, aminopeptidase

Answer 22

N-terminal

Question 23

speed up chemical rxns but are not consumed in the process

Answer 23

Biologic Catalysts

Question 24

all enzymes are proteins EXCEPT

Answer 24

Ribozymes (RNA molecules)

Question 25

Enzyme that cleaves peptide bonds at the C-terminal side of BASIC AMINO ACID such as lysine and arginine.

Answer 25

Trypsin

Question 25

Types of Terminal Amino Acids ▪️carboxypeptidase

Answer 25

C-terminal

Question 25

▪️a molecule that enters an enzymatic reaction ▪️a molecule acted upon by the enzyme

Answer 25

Substrate

Question 26

Nonproteins required by for enzymatic activity, can be organic or inorganic

Answer 26

Co-factors

Question 27

Organic compounds from vitamins

Answer 27

Coenzymes/ Cosubstrates

Question 28

This coenzyme, derived from niacin (Vitamin B3), is important in electron transfer/redox reactions.

Answer 28

NAD+ / NADH

Question 29

This flavin-containing coenzyme, derived from riboflavin (Vitamin B2), is essential for redox reactions.

Answer 29

FAD / FADH2

Question 29

This coenzyme is derived from pantothenate (Vitamin B5) and is involved in acetyl group transfer.

Answer 29

Coenzyme A (CoA)

Question 30

This coenzyme has a source called S-adenosylmethionine (SAM) and is important in one-carbon metabolism.

Answer 30

Tetrahydrofolate (THF) (via SAM as methyl donor)

Question 31

This coenzyme, derived from folic acid (Vitamin B9), is involved in methyl group transfer

Answer 31

Tetrahydrofolate (THF)

Question 32

This coenzyme, derived from pyridoxine (Vitamin B6), is essential for amino group transfer.

Answer 32

Pyridoxal phosphate (PLP)

Question 33

This coenzyme, derived from thiamine (Vitamin B1), is responsible for aldehyde transfer.

Answer 33

Thiamine pyrophosphate (TPP)