Proteins

Question 1

How do proteins help in a structural way ?

Answer 1

They are the main component of body tissue sucb as muscle , skin , ligament and hair

Question 2

How do proteins help as catalysts ?

Answer 2

All enzymes are made up of protein . Enzymes speed up reactions

Question 3

How do proteins help with signalling ?

Answer 3

Many hormones and receptorsbare proteins

Question 4

How do proteins help in an imunological way ?

Answer 4

All antibiotics that help fight illness are proteins

Question 5

What are the two types of globular proteins ?

Answer 5

Insulin and hemoglobin

Question 6

What are the two types of conjugated proteins ?

Answer 6

Hemoglobin and catalase

Question 7

What are the three types of fibrous proteins ?

Answer 7

Keratin, elastase and collagen

Question 8

Describe globular proteins

Answer 8

Spherical , one of the most commons types with multiple fold classes

Question 9

Are globular proteins water soluble ?

Answer 9

Yes

Question 10

Where is insulin produced ?

Answer 10

By beta cells in the pancreas

Question 11

What does insulin do ?

Answer 11

It regulates metabolism or carbohydrates and fast by promoting glucose to be stored rather than used for energy

Question 12

Describe conjugated proteins

Answer 12

A protein that must function in a pair with a non protein component (prosthetic group)

Question 13

What are lipoproteins ?

Answer 13

When lipids combine with proteins

Question 14

What are glycoproteins ?

Answer 14

When carbohydrates combine with proteins

Question 15

What are metalions and vitamins ?

Answer 15

They form prosthetic groups called cofactors

Question 16

Describe fibrous proteins

Answer 16

Elongated shape

Question 17

What do fibrous proteins do ?

Answer 17

They provide structural support for cells and tissues

Question 18

What is keratin found in ?

Answer 18

It is the main structural material in the outer layer of skin. It is the key component in hair and nails . Also provides necessary strength and toughness for the tongue and hard plate

Question 19

What do fibrous proteins do ?

Answer 19

They are the main protein in extra cellular space in connective tissues in animals . Most abundant protein in animals

Question 20

Are conjugated proteins soluble in water ?

Answer 20

Yes

Question 21

Are fibrous proteins soluble in water ?

Answer 21

No

Question 22

What does a long chain of amino acids make ?

Answer 22

a polypeptide chain

Question 23

what is the primary structure of a protein ?

Answer 23

a polypeptide chain of amino acids joined together by peptide bonds

Question 24

What causes the secondary structure of proteins to form their shape ?

Answer 24

the hydrogen bonds

Question 25

What does the hydrogen bond in a secondary structure attach onto ?

Answer 25

the hydrogen attached to the nitrogen and the oxygen attached to the carbon of another amino acid

Question 26

what is the backbone of a tertiary structure protein ?

Answer 26

a polypeptide backbone

Question 27

what is a disulphide bridge ?

Answer 27

a bond formed between two sulphers in an polypepetide chain

Question 28

when is an ionic bind formed ?

Answer 28

between any carboxyl and amino group that hasnt formed a peptide bond