CHEM 210 BIOCHEMISTRY FINAL EXAM () PORTAGE LEARNING QUESTIONS AND VERIFIED

CHEM 210 BIOCHEMISTRY
FINAL EXAM ()
PORTAGE LEARNING
QUESTIONS AND VERIFIED
ANSWERS.

True/False
nitrogen is called the superglue of the chemical world
_correct answer _ false



True/False
large elements, such as strontium, are common in biomolecules
_correct answer _ false



True/False

, the time it takes for a compound to flow through a metabolic pathway is
called the payoff phase
_correct answer _ false




True/False
proteins, carbohydrates, and fats all get broken down into acetyl-CoA
_correct answer _ true



True/False
a fat is a lipid molecule that is a solid at room temperature
_correct answer _ true


in DNA, guanine always pairs with
A. thymine
B.guanine
C. uracil
D.cytosine
E.both A and B
_correct answer _

, D. cytosine


water is considered a polar solvent due to attractive forces known
as hydrogen bonds. a hydrogen bond is
A. a bond that is stronger than a covalent bond
B.an attractive force between molecules where partially positive
hydrogen atoms are attracted to partially negative atoms of F, O, or N
C. the polar O-H bond in water
D.an ionic bond between H and another atom
E.a covalent bond between H and O
_correct answer _
B. an attractive force between molecules where partially positive hydrogen
atoms are attracted to partially negative atoms of F, O, or N


what is a unique molecul
E. which of the following contributes to water's unique place in the chemical
world?
A. the geometry of the molecule
B.the polarity of the O-H bonds
C. the ability of water molecules to hydrogen bond
D.the bond angle of water