CHEM Test 1 (13th) 21-22

Biochemistry is the study of chemical reactions and interactions:

• inside cells in aqueous solutions

• outside cells in aqueous solutions

• inside cells in oily solutions

What are the main types of macromolecules ?

• Proteins, Carbohydrates, Nuncleic Acids

• Proteins, Carbohydrates, Lipids

• Proteins, Carbohydrates, Nuncleic Acids, Lipids

Plants synthesize carbohydrates by:

• Photosynthesis

• Respiration

• None of the above

Synthesis is defined as:

• the production of chemical compounds by reaction from simpler materials

• detailed examination of the elements or structure of something.

• none of the above

Glucose in plants work as:

• a source of energy

• as building materials for cells by the production of cellulose

• both functions

How many carbons does a glucose molecule have?

• 6

• 5

• 4

What is the general formula of a carbohydrate?

• C_nH_m

• C(H₂O)

• C_n (H₂O)_m

What is a synonym of carbohydrates?

• Sugars

• Aminoacids

• Waxes

Simple sugars which cannot be hydrolyzed to simpler compounds

• Polysaccharides

• Disaccharides

• Monosaccharides

Carbohydrates that can be hydrolyzed into many saccharides

• Monosaccharides

• Dissacharides

• Polysaccharides