biomolecules

Question 1

any molecules that are produced by a living organism, including large macromolecules such as…
proteins
polysaccharides
lipids
nucleic acids

Answer 1

biomolecules

Question 2

most common biomolecule
primary energy source of our body

Answer 2

carbohydrates

Question 3

(CH20)n is the formula of what?

Answer 3

carbohydrates

Question 4

Simple sugars (C6H12O6)

Answer 4

Monosaccharides

Question 5

Glucose

Answer 5

blood sugar

Question 6

fructose

Answer 6

fruit sugar

Question 7

(found in milk with glucose)

Answer 7

galactose

Question 8

Double sugars (C12H22O11)

Answer 8

Disaccharides

Question 9

malt sugar (glucose + glucose)

Answer 9

maltose

Question 10

milk sugar (glucose + galactose)

Answer 10

lactose

Question 11

table sugar (glucose + fructose)

Answer 11

sucrose

Question 12

Complex sugars (C6H10O5)n where n is the number of carbon atoms

Answer 12

Polysaccharides

Question 13

Used for energy storage in plants
provide a quick form of energy for the body

Answer 13

starch

Question 14

Used for energy storage in animals

Answer 14

glycogen

Question 15

When the body doesn’t need glucose for energy, it stores it in the ____ and _____ in the form of glycogen.

Answer 15

liver and muscles

Question 16

Found in plants, cell walls, bark of trees
Gives us fiber

Answer 16

cellulose

Question 17

Forms exoskeleton of certain insects and crustaceans

Answer 17

chitin

Question 18

test used to determine presence of starch in materials

Answer 18

iodine test

Question 19

color change ranging from violet ▶️ black

Answer 19

positive result (meaning starch is present)

Question 20

was yellow color of the iodine solution.

Answer 20

NEGATIVE RESULT (no starch)

Question 21

test used for simple carbohydrates.

Answer 21

benedict’s test

Question 22

Body-building molecules which help us grow
Transport molecules in and out of the cell
Control speed of chemical reactions
Used for growth and repair

Answer 22

protein

Question 23

building blocks of protein

Answer 23

amino acids

Question 24

a chemical test used to determine presence of a peptide bond (chemical bond between amino acids) in a substance.

Answer 24

Biuret Test

Question 25

if the reagent changes from blue to purple.

Answer 25

positive result

Question 26

reagent remains blue

Answer 26

negative result

Question 27

NOT necessarily from food
Biomolecular components of hereditary materials and are present in DNA

Answer 27

Nucleic Acids

Question 28

building blocks of nucleic acids

Answer 28

nucleotides

Question 29

energy-giving molecules, but commonly known as stored-energy molecules
store more energy than carbohydrates and proteins.

Answer 29

lipids

Question 30

bulding blocks of lipid

Answer 30

fatty acids

Question 31

Ethanol is added to sample.

Answer 31

Ethanol Emulsion Test

Question 32

substance remains colorless & NO emulsion is formed.

Answer 32

NOT PRESENT

Question 33

layer of cloudy white suspension forms above the solution.

Answer 33

PRESENT