semis

Question 1

molecules in living systems that serve crucial functions in biological processes

Answer 1

Protein

Question 2

These are bio-polymeric structures which are composed of amino acids (building blocks)

Answer 2

Protein

Question 3

Proteins are constructed from _____ amino acids.

Answer 3

20

Question 4

are the monomers that make up proteins.

Answer 4

amino acids`

Question 5

consists of a central carbon bonded to an _____group, _____group, and _______

Answer 5

Amino group, Carboxyl group, and hydrogen atom

Question 6

protein is made up of one or more linear chains of amino acids each of which is called a

Answer 6

Polypeptide

Question 7

R groups are classified based on their polarity as

Answer 7

Hydrophobic (non-polar)
Hydrophilic (polar)

Question 8

2 classifications of Hydrophobic (non-polar)

Answer 8

6 R=Alkyl
2 R=Aromatic

Question 9

3 classifications of hydrophilic (polar)

Answer 9

2 Acidic
7 Neutral
3 Basic

Question 10

Non-polar–alkyl amino acids are consisting of

Answer 10

Methyl group (CH3)

Question 11

non-polar–Aromatic amino acid has what ring?

Answer 11

Indole Ring
Phenyl Ring

Question 12

Polar–Acidic amino acid has

Answer 12

carboxylic group

Question 13

A polar amino acid that contains various functional groups

Answer 13

Neutral amino acid

Question 14

A polar amino acid that has a high pH level

Answer 14

Basic amino acid

Question 15

Amino acids in a protein chain are linked to their neighbor by a covalent bond called

Answer 15

Peptide bond

Question 16

Each protein in the cell is consists of ______ polypeptide chains.

Answer 16

one or more

Question 17

Each chain is made up of _______ link together in a specific order.

Answer 17

sequences of amino acids

Question 18

peptide bonds are form by a ______

Answer 18

dehydration synthesis (condensation reaction)

Question 19

Meaning, it has two ends that are chemically distinct from each other

Answer 19

Directionality

Question 20

In one end, the polypeptide has free amino group, and is called

Answer 20

N-terminus

Question 21

The other end which has a carboxyl group and is known as the ____.

Answer 21

C-terminus.

Question 22

is a chain of 20 or more amino acids joined by peptide bonds.

Answer 22

Polypeptide

Question 23

An _______ is a chain of less than 20 amino acids.

Answer 23

oligopeptide

Question 24

this protein structure is the arrangement of amino acids in a linear polypeptide chain.

Answer 24

Primary structure

Question 25

this pertains to the local folded structures that form within a polypeptide due to interactions between atoms of the backbone.

Answer 25

Secondary structure

Question 26

is formed when the carbonyl group (C=O) of one amino acid is hydrogen-bonded to the amino group (N-H) of the fourth amino acid in the sequence.

Answer 26

Alpha helix structure

Question 27

two or more segments of polypeptide chain are lined-up next to each other.

Answer 27

Beta sheet or strand

Question 28

the polypeptide’s unique 3-dimensional structure

Answer 28

Tertiary structure

Question 29

This structure of proteins is attributed to the interaction that happens between the R-groups of the amino acids.

Answer 29

Tertiary structure

Question 30

structure of a protein is the aggregation of multiple polypeptide chain known as subunits.

Answer 30

Quaternary structure

Question 31

these types of proteins are insoluble in water and are mainly involved in supportive and protective function in organism.

Answer 31

Fibrous protein

Question 32

these types of proteins are soluble in water and have a metabolic function role such as enzymes, hormones and antibodies

Answer 32

Globular protein

Question 33

these forms the different body structure of an organism

Answer 33

structural proteins

Question 34

biological catalyst that speeds up metabolic reactions of cells.

Answer 34

Enzyme

Question 35

are protein in nature and these include glucagon, insulin and adrenocorticotropic hormone

Answer 35

Hormones

Question 36

colored proteins that are conjugated and contain pigments such as hemoglobin and myoglobin.

Answer 36

Respiratory pigments

Question 37

these proteins are involved in muscle contraction at the expense of ATP molecules

Answer 37

Contractile proteins

Question 38

these proteins mainly function in storage of nutrients such as metal ions and amino acids in the cells

Answer 38

Storage protein

Question 39

these are proteins which are responsible in transporting molecules to their destination.

Answer 39

Transport protein

Question 40

involved in protecting the organism from foreign substance

Answer 40

Defense proteins

Question 41

derived/from organisms like snakes and other toxic animals

Answer 41

toxins

Question 42

amino acids that cannot be made by the body

Answer 42

Essential amino acids

Question 43

are amino acids that can be synthesized by the body

Answer 43

Non-essential Amino acids

Question 44

is term used to refer to any change in the three-dimensional structure of a protein that disables it to perform its specific function in the body.

Answer 44

Denaturation

Question 45

the protein in egg known as

Answer 45

Albumin