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WorksheetsBIO CHEM FINAL EXAM REVIEW
Total questions: 51
Worksheet time: 26mins
Lactose is made up of
glucose and galactose
glucose and fructose
glucose and glucose
galactose and galactose
What disaccharide consists of glucose and glucose
(a)
Amylose and Amylopectin are made up of ___________ units
beta D Glucose
alpha D Glucose
alpha C Glucose
beta C Glucose
(a) is made up of beta-D-Gluose
(a) is an example of an animal starch
What type of glycosidic bonds is amylose linked by?
alpha-1,6
alpha-1,4
beta-1.4
beta-1.6
True or False: Amylose is more highly branched than amylopectin
True
False
True or False: Glycogen is more highly branched than amylopectin
True
False
Which polysaccharide cannot be digested by humans?
(a)
Draw the ALPHA Haworth structure produced by the shown Fischer Projection
Sugar acids are named by replacing the -ose ending with (a) acid
(a) molecules are nonsuperimposable
Which of the following is NOT true regarding achiral molecules
mirror images are identical
have 2 of the same atoms within the molecule
are enantiomers
can be related to the reflection of a tall, cylinder cup
Classify the fischer projections as either aldoses or ketoses
aldoses
ketoses
Classify the fischer projection as either a tetrose, pentose, or hexose
tetrose
pentose
hexose
Classify the shown fischer projection as either an L or D isomer
L
D
True or False: D isomers are most commonly found in nature and in cells of the body
True
False
True or False: Saturated fatty acids contain double C-C and C-H bonds
True
False
Which of the following is NOT true regarding unsaturated fatty acids?
do not pack closely together
have kinks in fatty acid chain
solid at room temp
liquid at room temp
Classify the molecule based upon its type of lipid
triacylglycerol
omega-6 fatty acid
wax
prostaglandin
Which type of lipid contains an ester bond and a long chain alcohol
triacylglycerol
wax
omega-6 fatty acud
prostaglandin
True or False: Triacylglycerols contain the first carbon to carbon double bond at the third carbon from the left
True
False
Fatty acids that cannot be synthesized in the body and must be obtained from the diet are known as (a) fatty acids
What is an example of a product of the acid hydrolysis of a triacylglycerol
(a)
Which type of lipid contains 3 cyclohexane rings, 1 cyclopentane ring, and no fatty acids
sphingolipids
phospholipids
glycerophospholipids
steroid molecules
Which type of lipid contains amino alcohols
sphingolipids
phospholipids
glycerophospholipids
steroid molecules
What is NOT contained within a lipid bilayer
proteins
carbs
cholesterol
NP heads
Which type of transport uses proteins to increase the rate of diffusion
passive transport
facilitated transport
active transport
(a) are spherical particles with an outer surface of glycerophospholipids and polar proteins and an inner nonpolar surface
A (a) bond is an amide bond between the carboxylate group of one amino acid and the ammonia group of another amino acid
Classify the pictured amino acid
polar basic
polar neutral
polar acidic
nonpolar
Which of the following amino acids are NOT considered polar
those that contain an ammonium group
contain R groups that interact with water
have alkyl R groups
contain amide group
What do amino acids make up?
(a)
Which protein structure involved a combination of two or more peptide chains?
(a)
Which of the following represents a tertriary structure of a protein?
globular
triple helix
beta pleated sheet
alpha helix
True or False: Protein hydrolysis involves the disruption of primary structure of a protein
True
False
(a) specificity occurs when an enzymes catalyzes a reaction for a specific type of bond
True or False: Enzymes catalyze nearly all chemical reactions by increasing activation energy
True
False
Which of the following does NOT apply to the induced fit model of enzyme action?
active site is flexible enough to adapt to the shape of the substrate
rigid substrate binds to a rigid enzyme
acquires a geometrical arrangement between substrate and enzyme
Enzymes are most active an (a) temperature and pH
Which of the following is NOT true about enzymes in the body
optimal pH of 7.4
optimum temp of 37 C
lose all activity at low temperatures
lose all activity in low or high pH
Which of the following is true about allosteric enzymes
enzyme activity changes when covalent bonds are formed or broken
changes shape of an enzyme causing a change in active site shape
when the concentration of product is too high or low, end product acts as a negative or positive regulator
Which of the following is NOT a base in DNA
adenine
guanine
cytosine
uracil
A (a) contains a nitrogenous base, pentose sugar, and a phosphate group
Purine bases combined with a sugar take the ending (a)
Adenosine monophosphate is abbreviated
(a)
Which enzyme unwinds the parent DNA at several sections
helicase
polymerase
ligase
lyase
(a) is the type of RNA that carries genetic info from DNA to the ribosomes
(a) mutations result in ALL the following codons to change
________breaks down glycogen into glucose
gluconeogenesis
glycolysis
glycogenolysis
glycogenesis
Which chapters are NOT on this quiz but will be on the exam?
(a)
