LABORATORY 1

Question 1

Made of various chemical components

Answer 1

Cells

Question 2

Molecules usually small, that typically lack carbon

Answer 2

Inorganic compounds

Question 3

Includes water, oxygen, carbon dioxide and many salts, acid and bases

Answer 3

Organic compounds

Question 4

Always contain carbon and hydrogen, large molecules includes lipids, carbohydrates, protein, and nucleic acid

Answer 4

Organic compounds

Question 5

The elements that make up organic compounds, that living things are made of

Answer 5

Carbon

Question 6

The versality of “carbon” allows to bond with itself and with other elements such as hydrogen, oxygen and nitrogen to form__

Answer 6

Complex structure

Question 7

Starch

Answer 7

0.1%

Question 8

Starch solution outcome (color)

Answer 8

Brown to violet

Question 9

Biuret test ( 12 drops 10% of sodium hydroxide, 3 drops of 0.5% copper sulfate)

Answer 9

Light blue to dark violet

Question 10

Involved in the maintenance and metabolic processes of living organisms

Answer 10

Biomolecules

Question 11

10% sodium hydroxide and 0.5% copper sulfate

Answer 11

Biuret test for the presence of proteins