CHEM 210 Final Exam
Questions and Answers
•All of the carbon backbones from amino acids
end up as intermediates in the. ANS citric acid
cycle
•When 2-butene reacts completely with
bromine, the product is ANS 2,3-dibro- mobutane.
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Instant Download CHEM 210 Biochemistry Final Exam Questions and Answers | Verified Study, Exams of Biology
Instant download CHEM 210 Biochemistry Final Exam questions and answers (verified). Complete test bank with solutions covering biomolecules, enzymes, metabolism, nucleic acids, proteins, and biochemical pathways from all modules. The ultimate 2025 study guide for Biochemistry students preparing for the final exam. instant download, CHEM 210, biochemistry, final exam, CHEM 210 exam, CHEM 210 final exam questions, CHEM 210 final exam answers, CHEM 210 study guide, CHEM 210 test bank, biochemistry final exam, biomolecules, proteins, enzymes, nucleic acids, metabolism, biochemical pathways, CHEM 210 exam review, biochemistry practice test, 2025 biochemistry exam prep
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CHEM 210 Final Exam
Questions and Answers
- All of the carbon backbones from amino acids end up as intermediates in the. ANS citric acid cycle
- When 2-butene reacts completely with bromine, the product is ANS 2,3-dibro- mobutane.
- Amino acids that can be synthesized in the body are called a
- Which conversion is accomplished during glycolysis? ANS glucose to pyruvate
- Every turn of the citric acid cycle directly produces molec
- The process of converting ADP to ATP in the mitochondrion takes place by a process known as ANS oxidative phosphorylation.
- Which family of organic molecules is a hydrocarbon? ANS aromatic
- All of the following can be classified as biomolecules except ANS all of them are biomolecules
- A genetic map is a(an) ANS list of locations of markers that relate to inheritable traits.
acid in the lemon juice reacts with the odor-causing amines to form an odorless salt.
- Which chemical is produced from pyruvate when it is metabolized in muscle cells under aerobic conditions? ANS acetyl-SCoA
- When hydrocarbons undergo incomplete combustion, the product(s) is(are) ANS CO2, H20 and Soot
- All of the following statements concerning digestion are correct except ANS - the same enzymes are used in the digestion of carbohydrates, lipids, and proteins.
- Which compound has the lowest boiling point? ANS The one with just C
- Which molecule would be the most acidic? ANS phenol
- The reaction of amino acids to give peptides
involves which pair of func- tional groups? ANS an amino and a carboxyl group
- Which of the following is common to the structures of NAD+, and FAD? ANS - ADP
- Which molecule is not associated with synthesis of triacylglycerides? ANS car- nitine
- Insulin increases the rate at which ANS more than one response is correct
- Which statements are true for the process of ²- oxidation?
- It occurs in the mitochondria.
- Acyl carrier proteins are involved.
- NADPH is the coenzyme.
- The molecule increases in length by two carbons.
- Energy is released in the process. ANS I, V
- Ribose can be classified as a(an) ANS
relationship between FAD and FADH2? ANS FADH2 is the reducced form of FAD
- All of the statements concerning the carbonyl group in aldehydes and ketones are true except ANS because the bond is polar, carbonyl groups readily form hydrogen bonds with each other.
- When energy from stored triacylglycerols is needed, they are , and then transported in the bloodstream via as fatty acids. ANS hy- drolyzed; albumins
- In a pair of coupled reactions, if the favorable reaction releases more energy than the amount required by the unfavorable reaction, the excess energy is ANS released as heat and used to maintain body temperature.
- A promoter sequence is. ANS a DNA sequence that determines which genes are turned on for coding.
- All of the following compounds are amines except ANS aspirin
- Molecules such as erythrose and threose, which are stereoisomers but not mirror images, are referred to as a pair of. D- and
L-threose are mirror images and are referred to as a pair of. ANS diastereomers; enantiomers
- When a monosaccharide forms a ring by interaction of one of its hydroxyl groups with its aldehyde group, the bond is referred to as a(an)
- Which equation correctly represents the dissociation of a carboxylic acid in water? ANS CH3COOH + H2O CH3COO- + H3O+
- Fatty acids are activated for breakdown by conversion to.
- All of the following terms are associated with recombinant DNA except ANS ri- bonuclease
- When the amine group of glutamate is replaced with a carbonyl group, the process is called ANS oxidative demination
- The major function of the pentose phosphate pathway when energy for anabolic reactions is a priority is ANS producing NADPH
- The most important goal of glucose metabolism is ANS production of ATP as an energy source for all cells.
- The name of the polymer formed from CH2=CH is ANS polyethylene
- When glutamate acts as the source of an amino group, the enzyme involved is a ANS dehydrogenase
the ANS carboxylate anion
- In steps 5-8 of the citric acid cycle, the high- energy molecules , and are produced, and is regenerated to begin another turn of the cycle. ANS GTP; FADH2; NADH; oxaloacetate
- which molecule is not a ketone body ANS they are all ketone bodies
- Which alcohol should be used to produce 2- methyl-3-pentene by dehydra- tion? ANS 4-methyl- 2-pentanol
- When an amide is hydrolyzed under acidic conditions, the products are ANS - ammonium and carboxylic acid
- The reaction of a simple sugar with an alcohol produces a
- An amine that is insoluble in water can be made to dissolve by adding it to an aqueous solution of ANS HCL
- The purine bases are ANS fused 5 and 6 membered ring systems containing 4 nitrogens.
- Hydrolysis of the ester ethyl acetate produces ANS ethanol and acetic acid
- Glycerol produced as a byproduct of metabolism of lipids is converted to , which can be isomerized to a compound that can enter glycolysis or gluconeogenesis.
ANS dihydroxyacetone phosphate
- The various shapes taken on by an organic molecule are known as . ANS conformations
- Endergonic reactions are those that have a value of ”G and spontaneous. ANS positive; are not
- Tollens tests for.. ANS aldehyde. R-O-H
- Which of these compounds is the most soluble in water? ANS - CH3CH2CH2CH2CH2COO-Na+
- A glycosidic bond is ANS a bond formed between an anomeric carbon atom and any -OR group.
- Which of the following processes is important when new amino acids are produced in the body? ANS transamination
- Where in the cell does beta-oxidation of fatty acids occur? ANS Mitochondria
- What is the IUPAC name for diisopropyl ketone? ANS 2,4-dimethyl-3-pentanone
- Where do the first chemical changes in the digestion of dietary fats take place? ANS small intestine
- An enzyme that catalyzes the conversion of a cis double bond to a trans double bond is classified as a(an) ANS isomerase
- In biochemical reactions, reduction of carbonyl groups is carried out by ANS NADH
- The alcohol which contains two carbon atoms and has the common name of grain alcohol is ANS ethanol
- Which formula best represents the form an amine takes in acidic solution?- ANS RNH3+
- Exergonic reactions are those that are and that liberate free energy. ANS spontaneous; do
- In comparing the potential energy of lipids and carbohydrates on a weight basis, it is correct to say that lipids provide ANS consideerably more energy than carbohydrates
- When an alcohol reacts with a carboxylic acid the major product is ANS an ester
- The boiling point of ethylamine is higher than that of propane but lower than that of 1- propanol. This means that ANS hydrogen bonds between two amino groups are weaker than those between two alcohol groups`
- The common name of CH3CH2OH is ANS grain alcohol
- All of the following are nitrogen-containing compounds found in living organisms except
ANS Carbohydrates
- The correct name for CH3CH(CH3)CH2CHO is ANS 3-methylbutanal
- Glycoproteins are formed by bonding an oligosaccharide to a protein through a linkage. ANS glycosidic
- Which of the following reactions is the least energetic? ANS AMP + H2O ’ Adenosine + Pi
- What is the product of oxidation of butanal? ANS butanoic acid
- A multi-step biochemical process in which the rate of an early step is affected by the concentration of products of a later step is said to be subject to ANS feedback control
- The urea cycle is because it. ANS endergoinic; costs 3 ATP
- The process of making multiple copies of DNA is accomplished by a process called ANS polymerase chain reaction
- Each of the following phrases correctly describes enzymes except ANS be- have as substrate
overproduction of acetyl CoA
- The reactants needed to produce simple polyesters are ANS diacids and dial- cohols
- Enzymes that are affected by the binding of an activator are called ANS al- losteric enzymes
- The chemical resulting from steps 3-5 of glycolysis which is oxidized in step 6 is ANS glyceraldehyde 3-phosphate
- Which of the following is the usual reactant in the urea cycle? ANS carbamoyl phosphate
- The similarities in properties of carboxylic acids, esters, and amides can best be explained by ANS their polarity and structural similarities
- Which substance is not reactive with respect to alkanes? ANS H
- Which is the correct term for the inactive form of an enzyme, often used for transport or storage? ANS zymogen
- Which of the following monosaccharides is present in nucleic acids? ANS ri- bose
- Alkenes and simple aromatics are similar in all of the following properties except ANS lack of toxicity
- The reaction in which ATP is converted to ADP with release of 7.3 kcal is a(an) reaction. ANS Hydrolysis
- Each of the following metabolic intermediates is a precursor to one or more amino acids except ANS fumarate
- An amino acid whose R group is predominantly hydrocarbon would be classified as ANS non-polar
- The most characteristic feature of all the bases found in either DNA or RNA is that ANS they are all nitrogen-containing aromatic compounds.
- The bond connecting the two monosaccharides in maltose is a(an) linkage. ANS ±-1,4glycosidic
- When a molecule other than the correct substrate interacts with some part of an enzyme to alter the shape of the active site, the process is called ANS - noncompetitivie inhibition
- The symbol [O] written above a reaction arrow means ANS that an oxidation reaction is occurring.
- The most common reactions involving aromatics are reac ANS substitution
- All of the following are properties of acetone except ANS nutrient
- Phosphate esters are prepared from ANS phosphoric acid + alcohol
- An alkaloid used in treating malaria is ANS quinine
- The molecule with three carbon atoms with an -OH group on each, and used as a moisturizer is ANS glycerol
- To what class of compounds does glucose belong? ANS cyclic hemiacetal
- During gluconeogenesis pyruvate is formed from glycerol, certain amino acids and. ANS lactate
- Another term for substances that bind irreversibly with the active site of an enzyme is ANS poisons
- Treatment of CH3CH2OH with an excess amount of oxidizing agent will produce ANS a carboxylic acid
- Cis-trans isomerism occurs when ANS the carbons in an alkene double bond each have two different substituent groups.
- Which type of interaction is not directly involved in maintaining tertiary structure? ANS peptide bonds
- In a normal biochemical system, the rate of a specific reaction is deter- mined by ANS enzyme efficiency and substrate concentration.
- When an alkene undergoes a hydration reaction the product is an ANS alcohol
- Since hemiacetals are unstable, they are seldom found in significant quantities in reaction mixtures. An exception to this statement is the formation of hemiacetals ANS from aldehyde and alcohol groups within the same molecule.
- The isoelectric point of an amino acid is ANS the pH at which it exists in the zwitterion form.
- Which chemical is produced from pyruvate when it is metabolized by yeast cells? ANS ethanol
- Treatment of CH3CH2CH2OH with a limited amount of oxidizing agent will produce ANS an aldehyde
- Starch is produced by , and its major function is. ANS - plants; energy storage
- The constriction that appears in duplicated chromosomes during cell division is called a(an). ANS centromere
- All of the following are examples of addition reactions of alkenes except- ANS oxidation