Biochemistry Final Exam questions and answers..docx

Biochemistry Final Exam questions and
answers.

True or False: According to the Module, a compound with a molecular mass of 1,000 g/mol is
B B B B B B B B B B B B B B B B




B considered a macromolecule. - ANS >> False
B B B B B B




True or False: Biomolecules can have two or more different functional groups. - ANS >> True
B B B B B B B B B B B B B B B




True or False: The following functional group is an amine.
B B B B B B B B B B




C2H5NH2 - ANS >> True B B B B




True or False: In a eukaryotic cell, the organelles called peroxisomes serve the purpose of digesting
B B B B B B B B B B B B B B B




B macromolecules. - ANS >> False B B B B




True or False: Carbon dioxide has a linear molecular shape AND has a bond angle of 109.5o. - ANS >>
B B B B B B B B B B B B B B B B B B B




B False

Of the following, ____________ is not a property of carbon.
B B B B B B B B B




Forming ionic bonds B B




Forming cyclic structures
B B




Forming multiple bondsB B




Forming bonds with oxygen
B B B




Bonding in long chains - ANS >> Forming ionic bonds
B B B B B B B B B




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




Br

, Ca

H

S

Na - ANS >> Br
B B B B




_____________ is a functional group found in carbohydrates. - ANS >> Alcohols
B B B B B B B B B B B




The following functional group is an example of _________.
B B B B B B B B




Ch3COCH2CH3 - ANS >> Ketone B B B B




A ___________ is a chemical formula that shows how the atoms of a molecule are bonded to one
B B B B B B B B B B B B B B B B B




B another. - ANS >> Kekule' structure
B B B B B




A collection of two or more macromolecules uniting is called a _______. - ANS >> Supramolecular
B B B B B B B B B B B B B B B




B Complex

An organic compound with this structure, C=C, contains a ________ functional group. - ANS >> Alkene
B B B B B B B B B B B B B B B




What element has been called the "super glue" of the chemical world? - ANS >> C
B B B B B B B B B B B B B B B




What molecule is the most important for energy storage in cells? - ANS >> ATP
B B B B B B B B B B B B B B




What would be the approximate size of a human cell?
B B B B B B B B B




12 μm B




1 nmB




15 nm B




0.2 inch B




15 cm - ANS >> 12 μm
B B B B B B




For pentane, there are________ carbon and ________hydrogen atoms. - ANS >> 5, 12
B B B B B B B B B B B B




For an organic compound, which structure is the most efficient to draw? - ANS >> Line bond
B B B B B B B B B B B B B B B B