Question 1

Which graph Illustrates the effect of enzyme
concentration on reaction VELOCITY.

Accepted Answer

TEMPERATURE

Question 2

Which of the following  GASTROINTESTINAL
enzyme is being described correctly?

Accepted Answer

Amylase breaks down complex
carbohydrates into simpler ones

Question 3

What do you call the ENERGY difference
between the reactants and the products?

Accepted Answer

Free energy of activation

Question 4

Complete the pair analogy
Proteolytic enzyme: Zymogen;???

Accepted Answer

Pepsin: Pepsinogen

Question 5

What type of enzyme catalyzes the reaction
of the CONVERSION of glucose into glucose – 6 –
phosphate?

Accepted Answer

Transferase

Question 6

Enzymes are highly specific. To what
specificity does the catalysis of HYDROGEN PYROXIDE belong to?

Accepted Answer

Absolute

Question 7

Which is the correct equation for the action
of catalase?

Accepted Answer

. H202 Catalase (ARROW POINTS RIGHT) H20 + O2

Question 8

Which of the following is a false statement?

Accepted Answer

is an Enzyme - Phosphate Complex.  (E-PC )

Question 9

What PHYSICAL OBSERVATION accounts for the
action of catalase?

Accepted Answer

Formation of bubbles

Question 10

The following pH levels can lead to DENATURE OF CATALASE except?

Accepted Answer

pH 7

Question 11

NIGHT BLINDNESS due to vitamin A deficiency

Accepted Answer

Nyctalopia

Question 12

Otherwise Known as SUSHINE VITAMIN

Accepted Answer

Vitamin D

Question 13

What is the function of VITAMIN K

Accepted Answer

Exhibit an antihemorrhagic activity
needed for proper blood clotting

Question 14

Deficiency of this vitamin causing BURNING FOOT SYNDROME

Accepted Answer

Pantothenic acid

Question 15

Deficiency of this VITAMIN C can cause

Accepted Answer

Scurvy

Question 16

MAIN ABSORPTION site of all vitamins

Accepted Answer

Small Intestines

Question 17

The following statements are considered as
FATSOLUBLE VITAMINS, EXCEPT

Accepted Answer

Functions as coenzymes

Question 18

Which of the following states are
CONSIDERED water soluble vitamins?

Accepted Answer

Can be excreted easily

Question 19

It is the deficiency of Vitamin D in ADULTS?

Accepted Answer

Osteomalacia

Question 20

A type of anemia in which the BONE MARROW 
produces unusually large, structurally ABNORMAL,
immature red blood cells.

Accepted Answer

Megaloblastic

Question 21

The pyruvate is former in the cytosol after
glycose it then crosses two mitochondrial
membrane and enters which part of the
mitochondria where the OXIDATION OCCURS?

Accepted Answer

Matrix

Question 22

This is a biochemical process by which
NADH is oxidized to NAD+ WITHOUT NEED FOR OXYGEN

Accepted Answer

Fermentation

Question 23

This is a METABOLIC PATHWAY in which
glycogen is synthesized from glucose 6-
phosphate.

Accepted Answer

Glycogenesis

Question 24

On the first step of glycogenesis, the
formation of the glucose 1-phosphate from
glucose 6-phosphate is catalyzed by an enzyme
called PHOSPHOGLUMUTASE The complete
conversion from 6-Phosphate to 1-Phosphate is
a process called _________.

Accepted Answer

Isomerization

Question 25

During glycogenesis, in the formation of
UDP-glucose (uridine diphosphate glucose),
glucose 1-phosphate must be activated before it
can be added to GROWING CHAINS of glycogen. For
this to be possible, a high-energy activator must
be added.

Accepted Answer

Uridine triphosphate

Question 26

In the oxidative stage of the PENTOSE
PHOSPHATE PATHWAY, how many NADPH
molecules are produced per molecule of
glucose 6-phosphate?

Accepted Answer

2

Question 27

UREA is the FINAL PRODUCT  of protein
metabolism. Uric acid is the final product of
purine oxidation in the body.

Accepted Answer

Only the first sentence is false.

Question 28

Test for Bile Pigments is also called as the

Accepted Answer

Smith’s test

Question 29

DIABETES  insipidus is a condition whereby the
body cannot normally utilize sugar and
consequently a LARGE AMOUNT is excreted in the
urine.

Accepted Answer

Only the second sentence is false.

Question 30

Test for Ketone Bodies is also called as the

Accepted Answer

Gunning’s test

Question 31

a yellow color is formed.

Accepted Answer

Only the second sentence is false.

Question 32

One molecule of glycerol is produced after
a complete hydrolysis of a triacylglycerol. The
glycerol then enters the BLOODSTREAM, travelling
to the liver or kidneys, and eventually converted
to which glycolysis intermediate?

Accepted Answer

Glucose-6-phosphate

Question 33

It refers to the hydrolysis of
triacyclglycerols stored in the ADIPOSE TISSUE,
followed by release into the blood stream of the
fatty acids where glycerol is produced

Accepted Answer

Triacylglycerol mobilization

Question 34

Hormone SENSITVE LIPASE needed for
triacylglycerol mobilization is activated by

Accepted Answer

cAMP

Question 35

A lipoprotein that transports triacylglycerol
from intestinal cells, via the LYMPHATIC SYSTEM,
to the bloodstream.

Accepted Answer

Chylomicron

Question 36

I. Glcerol-3-phosphate and Acyl-CoA are
required for the BIOSYNTHESIS  of triacylglycerol.                                                    IV. The DEGRADTION of triacylglycerols
(lipolysis) is catalyzed by lipase

Accepted Answer

Both I and IV

Question 37

In the oxidation of fatty acids, carnitine
molecule shuttles activated fatty acid molecules
across the

Accepted Answer

Inner mitochondrial membrane

Question 38

Where does KETOGENISIS  primarily occurs?

Accepted Answer

Liver

Question 39

Which of the following describes the FIRST STEP of triacylglycerol mobilization?

Accepted Answer

Activation of fatty acid by forming a bond
with a coenzyme A

Question 40

What CARBON is oxidized from the carboxyl
end of an acyl CoA molecule during B- oxidation?

Accepted Answer

B-carbon

Question 41

What is the oxidizing agent in the first
DEHYDROGENATION step in B-oxidation?

Accepted Answer

FAD

Question 42

Where are the UREA occurs

Accepted Answer

Liver

Question 43

The process by which amino groups are
removed from amino acids to a KETO ACID

Accepted Answer

Transamination process

Question 44

A person with PHENYLKETONURIA cannot
convert

Accepted Answer

Phenylalanine to tyrosine

Question 45

Which of these directly DONATES a nitrogen
atom for the formation of urea during the urea
cycle?

Accepted Answer

Aspartate

Question 46

The two fuels for the urea cycle are

Accepted Answer

Carbamoyl phosphate and aspartate

Question 47

Name the type of cell in which synthesis of
the UREA CYCLE TAKES PLACE

Accepted Answer

Hepatocyte

Question 48

Which of these is a HEREDITARY disease cause
due to an ERROR in amino acid metabolism?

Accepted Answer

Phenylketonuria

Question 49

MAPLE SYRUP urine disease results from an
inborn error in the metabolism of these amino
acids

Accepted Answer

leucine isoleucine and valine (LIV)

Question 50

GLUTAMATE s metabolically converted to a
ketoglutarate and NH4+ by a process described
as

Accepted Answer

Oxidative deamination

Question 51

The life span of a red blood cell is about
4 MONTHS . Old red blood cells are broken
down in the SPLEEN, lungs, and liver.

Accepted Answer

Both statements are true

Question 52

What color is produced if unsaturated fatty
acid is added with TINCTURE of iodine?

Accepted Answer

Clear or colorless

Question 53

All are saponifiable lipids, except:

Accepted Answer

Cholesterol

Question 54

This test yields a brick red precipitate with
the addition of BISMUTH subnitrate and
potassium iodide. Also, this is a test for Choline.

Accepted Answer

Kraut’s Test

Question 55

One of the two sulfur- containing amino
acids has a nonpolar THIOETHER group in its side
chain

Accepted Answer

Methionine

Question 56

AMINO ACIDS that CANNOT BE synthesized in
the organism are called

Accepted Answer

Essential amino acid

Question 57

Which of the following are branched-chain
amino acids responsible for the characteristic
“sweet smell” of the urine in patients with
“MAPLE Syrup Urine Disease”?

Accepted Answer

LIV

Question 58

Which of the FIBROUS PROTEIN is an
important structural component of arterial
blood vessels and ligaments?

Accepted Answer

Elastin

Question 59

A SMALL PEPTIDE hormone that regulates
the excretion of water by the kidneys and also
affects blood pressure

Accepted Answer

Vasopressin

Question 60

is a mixture of two proteins,
GLUTENIN and GLIADIN

Accepted Answer

Gluten

Question 61

give ELASTICITY to DOUGH
helping it rise and keep its shape and often
gives the final product a CHEWY texture.

Accepted Answer

Gluten

Question 62

is an immune reaction to
eating gluten, a protein found in WHEAT, BARLEY,
and RYE.

Accepted Answer

Celiac disease

Question 63

is also caused by
trichomonads, a group of PARASTIC protozoans,
specifically Trichomonas VAGINALIS .

Accepted Answer

Leukorrhea

Question 64

This alcohol concentration have greater
GERMICIDAL EFFECTS.

Accepted Answer

70% strength

Question	Answer
Which graph Illustrates the effect of enzyme concentration on reaction VELOCITY.	TEMPERATURE
Which of the following GASTROINTESTINAL enzyme is being described correctly?	Amylase breaks down complex carbohydrates into simpler ones
What do you call the ENERGY difference between the reactants and the products?	Free energy of activation
Complete the pair analogy Proteolytic enzyme: Zymogen;???	Pepsin: Pepsinogen
What type of enzyme catalyzes the reaction of the CONVERSION of glucose into glucose – 6 – phosphate?	Transferase
Enzymes are highly specific. To what specificity does the catalysis of HYDROGEN PYROXIDE belong to?	Absolute
Which is the correct equation for the action of catalase?	. H202 Catalase (ARROW POINTS RIGHT) H20 + O2
Which of the following is a false statement?	is an Enzyme - Phosphate Complex. (E-PC )
What PHYSICAL OBSERVATION accounts for the action of catalase?	Formation of bubbles
The following pH levels can lead to DENATURE OF CATALASE except?	pH 7
NIGHT BLINDNESS due to vitamin A deficiency	Nyctalopia
Otherwise Known as SUSHINE VITAMIN	Vitamin D
What is the function of VITAMIN K	Exhibit an antihemorrhagic activity needed for proper blood clotting
Deficiency of this vitamin causing BURNING FOOT SYNDROME	Pantothenic acid
Deficiency of this VITAMIN C can cause	Scurvy
MAIN ABSORPTION site of all vitamins	Small Intestines
The following statements are considered as FATSOLUBLE VITAMINS, EXCEPT	Functions as coenzymes
Which of the following states are CONSIDERED water soluble vitamins?	Can be excreted easily
It is the deficiency of Vitamin D in ADULTS?	Osteomalacia
A type of anemia in which the BONE MARROW produces unusually large, structurally ABNORMAL, immature red blood cells.	Megaloblastic
The pyruvate is former in the cytosol after glycose it then crosses two mitochondrial membrane and enters which part of the mitochondria where the OXIDATION OCCURS?	Matrix
This is a biochemical process by which NADH is oxidized to NAD+ WITHOUT NEED FOR OXYGEN	Fermentation
This is a METABOLIC PATHWAY in which glycogen is synthesized from glucose 6- phosphate.	Glycogenesis
On the first step of glycogenesis, the formation of the glucose 1-phosphate from glucose 6-phosphate is catalyzed by an enzyme called PHOSPHOGLUMUTASE The complete conversion from 6-Phosphate to 1-Phosphate is a process called _________.	Isomerization
During glycogenesis, in the formation of UDP-glucose (uridine diphosphate glucose), glucose 1-phosphate must be activated before it can be added to GROWING CHAINS of glycogen. For this to be possible, a high-energy activator must be added.	Uridine triphosphate
In the oxidative stage of the PENTOSE PHOSPHATE PATHWAY, how many NADPH molecules are produced per molecule of glucose 6-phosphate?	2
UREA is the FINAL PRODUCT of protein metabolism. Uric acid is the final product of purine oxidation in the body.	Only the first sentence is false.
Test for Bile Pigments is also called as the	Smith’s test
DIABETES insipidus is a condition whereby the body cannot normally utilize sugar and consequently a LARGE AMOUNT is excreted in the urine.	Only the second sentence is false.
Test for Ketone Bodies is also called as the	Gunning’s test
a yellow color is formed.	Only the second sentence is false.
One molecule of glycerol is produced after a complete hydrolysis of a triacylglycerol. The glycerol then enters the BLOODSTREAM, travelling to the liver or kidneys, and eventually converted to which glycolysis intermediate?	Glucose-6-phosphate
It refers to the hydrolysis of triacyclglycerols stored in the ADIPOSE TISSUE, followed by release into the blood stream of the fatty acids where glycerol is produced	Triacylglycerol mobilization
Hormone SENSITVE LIPASE needed for triacylglycerol mobilization is activated by	cAMP
A lipoprotein that transports triacylglycerol from intestinal cells, via the LYMPHATIC SYSTEM, to the bloodstream.	Chylomicron
I. Glcerol-3-phosphate and Acyl-CoA are required for the BIOSYNTHESIS of triacylglycerol. IV. The DEGRADTION of triacylglycerols (lipolysis) is catalyzed by lipase	Both I and IV
In the oxidation of fatty acids, carnitine molecule shuttles activated fatty acid molecules across the	Inner mitochondrial membrane
Where does KETOGENISIS primarily occurs?	Liver
Which of the following describes the FIRST STEP of triacylglycerol mobilization?	Activation of fatty acid by forming a bond with a coenzyme A
What CARBON is oxidized from the carboxyl end of an acyl CoA molecule during B- oxidation?	B-carbon
What is the oxidizing agent in the first DEHYDROGENATION step in B-oxidation?	FAD
Where are the UREA occurs	Liver
The process by which amino groups are removed from amino acids to a KETO ACID	Transamination process
A person with PHENYLKETONURIA cannot convert	Phenylalanine to tyrosine
Which of these directly DONATES a nitrogen atom for the formation of urea during the urea cycle?	Aspartate
The two fuels for the urea cycle are	Carbamoyl phosphate and aspartate
Name the type of cell in which synthesis of the UREA CYCLE TAKES PLACE	Hepatocyte
Which of these is a HEREDITARY disease cause due to an ERROR in amino acid metabolism?	Phenylketonuria
MAPLE SYRUP urine disease results from an inborn error in the metabolism of these amino acids	leucine isoleucine and valine (LIV)
GLUTAMATE s metabolically converted to a ketoglutarate and NH4+ by a process described as	Oxidative deamination
The life span of a red blood cell is about 4 MONTHS . Old red blood cells are broken down in the SPLEEN, lungs, and liver.	Both statements are true
What color is produced if unsaturated fatty acid is added with TINCTURE of iodine?	Clear or colorless
All are saponifiable lipids, except:	Cholesterol
This test yields a brick red precipitate with the addition of BISMUTH subnitrate and potassium iodide. Also, this is a test for Choline.	Kraut’s Test
One of the two sulfur- containing amino acids has a nonpolar THIOETHER group in its side chain	Methionine
AMINO ACIDS that CANNOT BE synthesized in the organism are called	Essential amino acid
Which of the following are branched-chain amino acids responsible for the characteristic “sweet smell” of the urine in patients with “MAPLE Syrup Urine Disease”?	LIV
Which of the FIBROUS PROTEIN is an important structural component of arterial blood vessels and ligaments?	Elastin
A SMALL PEPTIDE hormone that regulates the excretion of water by the kidneys and also affects blood pressure	Vasopressin
is a mixture of two proteins, GLUTENIN and GLIADIN	Gluten
give ELASTICITY to DOUGH helping it rise and keep its shape and often gives the final product a CHEWY texture.	Gluten
is an immune reaction to eating gluten, a protein found in WHEAT, BARLEY, and RYE.	Celiac disease
is also caused by trichomonads, a group of PARASTIC protozoans, specifically Trichomonas VAGINALIS .	Leukorrhea
This alcohol concentration have greater GERMICIDAL EFFECTS.	70% strength
He discovered nucleic acids in 1869 while studying the nuclei of white blood cells.	Friedrich Miescher
The following are correct descriptions for B – DNA, EXCEPT FOR	Its helix turn goes left
The two strands of DNA are running in a _________ position.	Antiparallel
The sugar involved in DNA	Deoxyribose
This is the base sequence for the start codon	AUG
Start codon stands for what amino acids	Met
This enzyme causes UNWINDING of DNA double-helix structure under replication	DNA helicase
This type of mutation is a change in ONE DNA base pair that results in the substitution of one amino acid for another in the protein made by a gene	Missense mutation
Which of the following are PURINE bases?	Adenine and guanine
These are discontinuous stretches in which the LAGGING STRAND is initially synthesized during DNA replication.	Okazaki fragments
Missense is a change in amino acid sequence specified by codon. Frame shift mutation is the addition/deletion of nucleotide.	All statements are true
All are types of nitrogen bases except	Y
CENTRAL DOGMA is the proposed flow of genetic information from RNA to DNA to protein	False
Chromosomal mutation which involves REINSERTION of a broken chromosomal segment in reverse order.	Inversion
Pair of nitrogen bases : adenine is always paired with cytosine and guanine is always paired with thymine.	False
SERIES OF BIOCHEMICAL reactions in which electrons and hydrogen ions from NADH and FADH2 are passed to intermediate CARRIES and then ultimately react with molecular oxygens to produce water.	Electron Transport Chain
How many molecules of pyruvate produced in glycolysis?	2
Citric acid cycle occurs in	Mitochondria
Biochemical process by which FOOD molecules, through hydrolysis, are BROKEN DOWN into simpler chemical units that can be used by cells for their metabolic need	Digestion
PRIMARY ENERGY carriers in metabolic pathways	ATP
Which of the following statements about metabolism is CORRECT?	Metabolism is the sum total of all the biochemical reactions that take place in a living organism.
In which of the following LISTINGS OF CITRIC acid cycle intermediates are the compounds listed in the order in which they are encountered in a turn of the cycle?	Isocitrate, succinyl, CoA, oxaloacetate
At which protein complex site in the electron transport chain does proton pumping occur?	Both I and III
The TOTAL ATP produced (new version of 1.5 or 2.5 equivalent) of the entire metabolic reactions or 1 molecule of glucose	32
Odd man out. Choose the wrong pair here	Complex III: ATP Synthase complex
Which of the following statement describe an ANABOLIC REACTION?	Glucose forming glycogen
Which of the following event represents an ABSORPTIVE STATE?	Release of insulin initiating hepatic absorption of glucose
Which of the following statement does NOT represent the state of starvation?	None of the choices
The postabsorptive state relies on stores of ________ in the _________.	Glycogen; Liver
SALIVARY AMLYLASE, in breaking polysaccharides like starch, is active at which part of the digestive system	MOUTH
The primary site for carbohydrate digestion is located in the small intestine. In this phase of carbohydrate digestion, the enzyme aamylase AIDS digestion again. What organ does the a-amylase enzyme come from?	Pancreas
In the FIRST STEP of the SIX-carbon stage of glycolysis, phosphorylation of glucose occurs to yield glucose 6-phosphate with the help of what enzyme?	Hexokinase
In STEP 8 of glycolysis, during the isomerization of 3-phosphoglycerate, the phosphate group is moved from C3 to C2. What enzyme catalyzes this process?	Phosphoglyceromutase
What is the end-product of glycolysis in aerobic conditions?	Acetyl CoA
The branch of science that explores the chemical processes within and related to living organisms	Biochemistry
What is the Functional group?	Ester
Cilia and Filaments is present in both animal and plant cell.	Only the 2nd statement is wrong
Organelle that is present and used for PROTEIN SYNTHESIS	Ribosome
Building block of carbohydrates	Monosaccharide
Also known as galactose-1-phosphate. Uridyl transferase deficiency	Galactosemia
_ are stereoisomers of cyclized monosaccharides molecules differing only in the configuration of the substituents on the carbonyl carbon.	Anomers
A. Amylose is a long, unbranched polymer with a-1, 4 bonds. B. Amylopectin has both a-1, 4 and a-1, 6 bonds. C. Starch consists of a greater proportion of amylopectin than amylose.	All of the choices
The CELL MARKERS, which serve as basis for the ABO blood types are classified as what type of biopolymers?	Carbohydrates
Which of the following accurately describes Barfoed’s test?	Test to differentiate monosaccharides and disaccharides
Also known as Kowarsky Test	Osazone formation Test
This test is specific for pentoses and the compounds containing PENTOSES and thus useful for the determination of pentose sugars.	Bial’s Orcinol Test
Benedict’s reagent is composed of	Copper Sulfate Pentahydrate, Sodium Carbonate and Sodium Citrate
The difference between Benedict’s and Barfoed’s test reagent lies in the pH of the solution used. Which of the following statements is/are true?	Benedict’s test is maintained in basic conditions and Barfoed’s test is MAINTAINED in ACIDIC conditions
These are organic compounds found in the living organism that is insoluble in water but soluble in nonpolar solvents?	Lipids
All are functions of lipids except	They are essential in small amounts for the PROPER functioning of human body
Saturated fatty acids are also known as “bad fat”. While monounsaturated fats are called “good fat”	Both statements are correct
Which of the following choices does not have the right pairing?	Membrane Lipid: Eicosanoids
A disease characterized by accumulation of galactocerebrosides with mental & motor deterioration and BLINDNESS AND DEAFNESS	Krabbe disease
Saponification is the hydrolysis or oils under basic conditions to afford glycerol and the salt of the corresponding fatty acid. All are formed or precipitated except for:	Sodium chloride
In acrolein test for lipids, what odor is observed?	Pungent Odor

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