CHEM 210 Biochemistry Final Exam (Portage Learning): AI Verified Answers, 100% Correct

CHEM 210 Biochemistry Final Exam

(Portage Learning)

1. T/F: According to the module, a compound with a molecular mass of
1,000 g/mol is considered a macromolecule.

Ans: false

macromolecule >5,000 g/mol

2. T/F: Biomolecules can have two or more different functional groups.

Ans: true

3. T/F: The following group is an amine.

C2H5NH2




Ans: true

4. T/F: In a eukaryotic cell, the organelles called peroxisomes serve the
purpose of digesting macromolecules.

Ans: false

Peroxisomes degrade dangerous/hazardous molecules, lysosomes degrade
macromolecules

5. T/F: In a eukaryotic cell, the organelles called lysosomes serve the
purpose of digesting macromolecules.

Ans: true

6. T/F: Carbon dioxide has a linear molecular shape AND has a bond angle
of 109.5 degrees.

Ans: false

linear shape = 180 degrees

7. Of the following, ___ is not a property of carbon.

Forming ionic bonds

, Forming cyclic structures

Forming multiple bonds

Forming bonds with oxygen

Bonding in long chains:

Ans: Forming ionic bonds

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

Br

Ca

HS

Na

Ans: Br

9. What are the functional groups found in carbohydrates?

Ans: carbonyls (C=O)

alcohol/hydroxyls (-OH)

ketones

aldehydes

10. What is a ketone?

Ans: carbonyl group bonded to 2 carbons

11. A ___ is a chemical formula that shows how the atoms of a molecule are
bonded to one another.

Ans: Kekule' structure

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

Ans: condensed formula

13. A collection of two or more macromolecules uniting is called a ___.

Ans: supramolecular complex