Lecture 5

Question 1

Amino acid

Answer 1

Organic molecule possessing both carboxyl and amino groups. Monomers of polypeptides

Question 2

Carbohydrate

Answer 2

A sugar or one of its dimmers for polymers

Question 3

Condensation

Answer 3

Change of water from water vapor to liquid

Question 4

Condensation reaction

Answer 4

A reaction in which two molecules become covalent let bonded to each other through the loss of small molecules

Question 5

Dehydration reaction

Answer 5

A chemical reaction in which two molecules covalent my bond to each other with removal of water molecule

Question 6

Denaturation

Answer 6

Protein unravels and loses its natural state becoming biologically inactive

Question 7

DNA

Answer 7

Genetic strand

Question 8

Deoxyribose

Answer 8

The sugar component of Dna nucleotides

Question 9

Disaccharide

Answer 9

A double sugar consisting of two monosaccharides joined by a glycosidic linkage formed during dehydration synthesis

Question 10

Double helix

Answer 10

The form of native Dna

Question 11

Fat

Answer 11

A lipid consisting of 3 fatty acids linked to one glycerol molecule

Question 12

Fatty acid

Answer 12

A long carbon chain carboxylic acid

Question 13

Gene

Answer 13

A discrete unite of hereditary Information

Question 14

Glucose

Answer 14

Sugar

Question 15

Hydrolysis

Answer 15

A chemical process that splits modules by addition of water

Question 16

Lipid

Answer 16

Group of compounds including fats oils and steroids

Question 17

Macromolecule

Answer 17

a giant molecule formed by the joining of smaller molecules

Question 18

Monomer

Answer 18

A subunit that serves as the building block of a polymer

Question 19

Monosaccharides

Answer 19

The simplest carb

Question 20

Nucleic acid

Answer 20

A polymer consisting of many nucleotide monomers

Question 21

Nucleotides

Answer 21

The building block of nucleic acid

Question 22

Phospholipids

Answer 22

A lipid made of glycerol joined by two fatty acids and a phosphate group

Question 23

Polymer

Answer 23

A long molecule consisting of many smaller or identical monomers

Question 24

Polypeptide

Answer 24

A polymer of many amino acids linked together by peptide bonds

Question 25

Polysaccharide

Answer 25

A polymer of many monosaccharides

Question 26

Protein

Answer 26

A functional biological molecule consisting of one or more polypeptides folded and coiled it into a 3D structure

Question 27

Purine

Answer 27

One of two types of nitrogenous bases found in nucleotides

Question 28

Pyrimidine

Answer 28

One of two types nitrogenous bases found in nucleotides

Question 29

RNA

Answer 29

Ribonucleic acid (RNA) is a polymeric molecule implicated in various biological roles in coding, decoding, regulation, and expression of genes. RNA and DNA are nucleic acids, and, along with proteins and carbohydrates, constitute the three major macromolecules essential for all known forms of life.

Question 30

Ribose

Answer 30

The sugar component of RNA molecule

Question 31

Steroids

Answer 31

A type of lipid characterized by a carbon skeleton consisting of 4 rings with various chemical groups attached

Question 32

Cell wall

Answer 32

Wall of plant cell that protects organelles

Question 33

ATP

Answer 33

Adenosine triphosphate is a nucleoside triphosphate used in cells as a coenzyme often called the “molecular unit of currency” of intracellular energy transfer. ATP transports chemical energy within cells for metabolism.