PROTEIN AND NUCLEIC ACIDS

Question 1

what is the monomer of protein

Answer 1

amino acids

Question 2

are made up of amino acids combined
through a dehydration link called a peptide bond.

Answer 2

Proteins

Question 3

Proteins are made up of amino acids combined
through a dehydration link called a

Answer 3

peptide bond

Question 4

four elements in protein

Answer 4

Carbon,
Hydrogen,Oxygen, and Nitrogen

Question 5

5 examples of protein and their functions

Answer 5

• keratin
• fibroin/silk protein
• collagen
• enzymes
• myoglobin

Question 6

found in hair, skin, and nails.

Answer 6

Keratin

Question 7

found in silk.

Answer 7

Fibroin / Silk protein

Question 8

has a smooth and soft texture

Answer 8

Silk

Question 9

It is one of the strongest natural fibers that have high resistance to deformation.

Answer 9

Fibroin / Silk protein

Question 10

It is also a good insulating material.

Answer 10

Fibroin / Silk protein

Question 11

major insoluble fibrous
protein found in connective tissues
such as tendons, ligaments, skin,
cartilage and the cornea of the eye.

Answer 11

Collagen

Question 12

-comprises as much as 30% of
proteins in animals.

Answer 12

Collagen

Question 13

how many percent of proteins in animals

Answer 13

30%

Question 14

what are the 5 connective tissues that has collagen

Answer 14

• tendons
• ligaments
• skin
• cartilage
• cornea of the eye

Question 15

function to catalyze chemical reactions.

Answer 15

Enzymes

Question 16

-either speed up a reaction, lower the needed energy for a
reaction to take place, or bind substances to their specific
partners.

Answer 16

Enzymes

Question 17

3 Examples of enzymes

Answer 17

• lipase
• pepsin
• sucrase

Question 18

help in digestion of fats

Answer 18

Lipase

Question 19

help in breaking down proteins into peptides
(smaller units)

Answer 19

Pepsin

Question 20

also called invertase; help in the digestion of
sugars and starches

Answer 20

Sucrase

Question 21

are polypeptide that stores
oxygen in muscles. It contains a heme
group which has an iron where the
oxygen is stored.

Answer 21

myoglobin

Question 22

are also known as polynucleotides

Answer 22

nucleic acids

Question 23

nucleic acids monomers are —

Answer 23

nucleotides

Question 24

their essential role in the storage, transfer, and
expression of genetic information.

Answer 24

Nucleic acids

Question 25

discovered by Swiss physician named Friedrich
Miescher in 1868.

Answer 25

Nucleic acids

Question 26

-He was puzzled that an unknown substance in
white blood cells did not resemble
carbohydrates, proteins, or lipids.

Answer 26

Friedrich Miescher

Question 27

who is th swiss physician that discovered nucleic acids

Answer 27

Friedrich Miescher

Question 28

-He was able to isolate the substance from the
nucleus and initially called it nuclein.

Answer 28

Friedrich Miescher

Question 29

-He eventually was able to break down nuclein
into protein and nucleic acids.

Answer 29

Friedrich Miescher

Question 30

isolate the substance from the
nucleus and initially called

Answer 30

nuclein

Question 31

they are made up of carbon, hydrogen, oxygen, nitrogen, and phosphorus.

Answer 31

nucleic acids

Question 32

2 examples of nucleic acids are

Answer 32

DNA and RNA

Question 33

it involves the genetic materials

Answer 33

Nucleic Acids

Question 34

what does DNA mean

Answer 34

(deoxyribonucleic acid)

Question 35

are nucleic acid that carries the genetic code of organisms.and the blueprint of life.

Answer 35

DNA

Question 36

carries the information
from the DNA to the cellular factories for the
synthesis of proteins.

Answer 36

RNA

Question 37

what does RNA mean

Answer 37

(ribonucleic acid)

Question 38

Three parts of nucleotide:

Answer 38

1. Nitrogenous base
2. Five-carbon carbohydrate or
   sugar
3. Phosphate group