Portage Biochemistry - Module 1 Exam Questions And Answers 2025/2026

True or False: According to the Module, a compound with a molecular mass of 3,000 g/mol is considered
a macromolecule. - CORRECT ANSWER -False



True or False: Biomolecules can have only two functional groups. - CORRECT ANSWER -False



True or False: The following function group is an aldehyde. - CORRECT ANSWER -False



True or False: In a eukaryotic cell, the organelles called ribosomes serve the purpose of digesting
macromolecules. - CORRECT ANSWER -False



True or False: Carbon dioxide has a linear molecular shape AND has a bond angle of 120 degrees. -
CORRECT ANSWER -False



Of the following, ______ is not a property of carbon:



- forming covalent bonds

- triple bond formation

- possessing five valence electrons

- reacting to form long chains called polymers

- forming multiple bonds - CORRECT ANSWER -- possessing five valence electrons



Which of the following is an element not typically found in living organisms?



-N

- He

-H

-S

- O - CORRECT ANSWER -- He



_____________ is a functional group found in carbohydrates.

, - Esters

- Thiols

- Carboxylic acids

- Alcohols

- Amines - CORRECT ANSWER -- Alcohols



The following function group is an example of ___________.



- Ketone

- Thiol

- Amide

- Benzene

- Aldehyde - CORRECT ANSWER -- Ketone



A __________ is a chemical formula that does NOT show the C-H and C-C bonds.



- Covalent formula

- Line bond formula

- Empirical formula

- Kekule' structure

- Condensed formula - CORRECT ANSWER -- Condensed formula



In biomolecular structure, if two macromolecules interact it is called a __________.



- Monomer

- Dimer

- Macromolecular structure

- Supramolecular complex