Module 2

100問 • 1年前

問題一覧

This is the organelle that can be found close to the endoplasmic reticulum which receives and acts on proteins and membrane lipids to further modify them and passes the substances on to the other parts of the cell through the budding of vesicles:

Golgi Apparatus

Select the organelle that has digestive vesicles and contains enzymes that degrade proteins and nucleic acids:

Lysosome

Which is the catalytic site model in which the substrate induces a conformational change in the enzyme?

Induced-Fit Model

This is typically held on loosely by the enzyme and can be released and taken up again relatively freely:

Co-enzyme, Co-Substrate

Choose the EC number that is correctly matched to its enzyme class:

EC 5: Isomerase

Enzyme Commission number of Monophosphate Kinase:

EC 2

The enzyme that hydrolyzes bacterial cell wall:

Lysozyme

This is also known as Omega-3:

alpha-linolenic

Identify the essential fatty acids for humans:

Linoleic acid (omega 6) & alpha- linolenic acid (Omega 3)

Select the class to which prostaglandins belong: A.

Fatty Acids

Find the statement that is correct about lipids:

Eicosanoids act as messengers inside cells and between neighboring cells

This is also known as Acetic Acid:

Ethanoic Acid

Identify the characteristic functional groups of amino acids:

Amino and Carboxyl group

Find the examples of transport and storage protein:

Hemoglobin, myoglobin, serum albumin

Antibodies and Neurotransmitters are classified as:

Communication & Defense Proteins

Analyze and select the underlying principle in the biuret test for proteins:

Based on the reaction of cupric ions of the reagent with the N of the peptide bonds forms a purple / violet-colored complex

Identify the chemical bond that joins amino acids together in a protein molecule:

Peptide

The following are stop codons except:

UUA

Type of mutation that results in the coding of a stop / termination codon:

Nonsense

Which of the following amino acids is considered the simplest amino acid?

Glycine

Which of the following amino acids is considered the only achiral amino acid?

Glycine

List the amino acid contains sulfur in its side chain:

Methionine, Cysteine

If P is to Proline then ___ is to Lysine

Which of the following does not belong to the group:

Asparagine

These amino acids cannot be synthesized by the body thus they must be obtained from the diet:

Essential amino acids

Which of the following does not belong to the group:

Asn

Identify the nucleotide which acts as a template in directing the synthesis of polypeptides:

mRNA

Identify the enzyme responsible for transcribing the DNA strand into a complementary RNA molecule:

RNA polymerase

Identify the step in DNA synthesis in which DNA polymerase plays a role:

Elongation

This enzyme is responsible for the unwinding of the DNA double helix:

Helicase

This group of enzyme is responsible for removing supercoils in the helix:

DNA topoisomerase

Select the sequence of the mRNA segment synthesized from this DNA template strand: CACGGAGTGCCA

GUGCCUCUCGGU

Select the complementary sequence for the DNA segment : GATCAA

CTAGTT

Find the complementary base pairs in DNA molecules

Adenine-Thymine, Cystosine-Guanine

Maturation of eukaryotic mRNA involves the removal of non-coding RNA sequences known as:

Introns

The following are components of Nucleoside, except:

Phosphate

Select the carbohydrate that is administered as an intra-articular injection in cases of osteoarthritis:

Hyaluronic Acid

This is the most severe mucopolysaccharidosis (MPS) affecting the alpha-L iduronidase:

Hurler Syndrome

Select the category in which D-glucose and D-mannose belong:

Epimers

This glycolipid storage disease is due to beta-D-Hexosaminidase A enzyme deficiency:

Tay-Sachs

Gaucher’s disease causes accumulation of ganglioside due to the deficiency of this enzyme:

Beta- Glucosidase

Which test is used to detect monosaccharides:

Benedict’s

Determine the appropriate test for ketoses

Seliwanoff’s

Process that involves the synthesis of glucose from non-carbohydrate sources

Gluconeogenesis

Product of anaerobic glycolysis

Lactate

It is the site of pyruvate formation during glycolysis:

Liver

The rate-limiting enzyme in glycolysis

Phosphofructokinase

The rate-limiting enzyme in Cholesterol Synthesis

HMG-CoA Reductase

Find the statement that is NOT correct about glycolysis I. One glucose molecule generates two molecules of pyruvate II. One pyruvate molecule generates two molecules of glucose III. Glycolysis splits glucose into three two-carbon fragment IV. Glycolysis splits glucose into two three-carbon fragment

II,III

In glycolysis, the 6C sugar is split into two 3-Carbon fragments namely

DHAP and G3P

Identify the type of chemical reaction involved in the conversion of fructose-1,6 bisphosphate to G3P and DHAP

Aldol Cleavage

Identify the type of chemical reaction involved in the conversion of G3P to 1,3 - bis-phosphoglycerate

Reduction-Oxidation

Identify the carrier molecule that transports fatty acids across the inner mitochondrial membrane

Carnitine

This enzyme is competitively inhibited by Statins:

HMG-CoA Reductase

Determine the pathological condition that is caused by the absence of adenosine deaminase, an enzyme in the purine degradation pathway:

Severe combined immunodeficiency

Determine the pathological condition that is caused by a deficiency in folate derivatives during early pregnancy because of the important role of these derivatives in the synthesis of DNA:

Neural Tube Defect

Which of the following amino acid is solely ketogenic?

Tyrosine

The following amino acids are both glucogenic and ketogenic EXCEPT:

Proline

The enzyme that catalyzes the conversion of pyruvate into oxaloacetate:

Pyruvate Carboxylase

Branched-Chain Keto Acid Dehydrogenase deficiency is a characteristic of which inborn error of metabolism:

Maple Syrup Urine Disease

Identify Complex IV of the electron transport chain

Cytochrome C Oxidase

Which of the following is not a ketone body:

Oxaloacetic Acid

Analyze which enzyme in the TCA catalyzes the condensation of oxaloacetate and acetyl-coA:

Citrate Synthase

Analyze which enzyme in the TCA catalyzes the isomerization of Citrate and Isocitrate

Aconitase

Final electron acceptor in ETC:

Oxygen

Important branch-point intermediate in the Shikimate Pathway

Chorismic Acid

This type of organic compounds is biosynthesized by the Shikimic Acid Pathway

Aromatic compounds

Determine the immediate precursor of phenylalanine

Phenylpyruvic acid

Select the method of evaluating drugs that extensively applies physical constants to the active constituents of drugs

Physical Method

Evaluate which compound is converted to cholecalciferol

7-dehydrocholesterol

Select the vitamin that does not require bile salts and dietary lipids for its efficient absorption from the intestinal tract

Vitamin C

This is also known as Biotin

Vit B7

Typical effects of this hormone are cell elongation giving an increase in stem length, inhibition of root growth, adventitious root production and fruit- setting in the absence of pollination:

Auxins

This hastens fruit ripening:

Ethylene

Select the statement that best describes carbohydrates

Sugars are crystalline, water-soluble and sweet tasting substances

Classify the carbohydrates Starch, Cellulose and Inulin:

Homoglycan

Which of the following is not given parenterally:

Peppermint

Select the carbohydrate used as acidulant, especially in infant feeding formula:

Lactic Acid

Preferred from tragacanth gum which is made from transverse incisions on the main stem and branches:

Ribbon and Flake

Used as diagnostic aid for kidney function

Inulin

Used as antispasmodic/Stomachic

Ulasimang bato

Which of the following is known to decrease cholesterol in the blood and is a useful anti-hypertensive agent

Bawang

Rhamnus purshianus

Anthraquinone glycoside

Mannihot utilissima

Cyanogenetic glycoside

This is also known as Vitamin P or Permeability factor:

Rutin and Hesperidin

Ergot derivative that produces an OXYTOCIC effect:

Ergonovine, Ergometrine

Classification of Mescal button:

Alkaloidal Amine

Marijuana is prepared from:

Pistillate flower of C. sativa

It measures the degree of unsaturation of the oil. Those of which are partially resinify on exposure to air have high values

Iodine Value

It is expressed as the number of milligrams of potassium hydroxide required to neutralize the acid combined by acylation of the sample.

Hydroxyl Value

This is used for the symptomatic treatment of benign prostatic hyperplasia

Saw Palmetto

This is now widely marketed as a dietary supplement, for cosmetic purposes, and for treatment of atopic eczema and PMS

Evening Primrose Oil

These are the least volatile components of perfumes that provide staying power

Base Note

Category of Anise and Fennel Oil

Phenolic Ether

The only liquid wax

Simmondsia Chinensis

Determine the method by which Peppermint oil is obtained

Steam Distillation

Analyze and identify the group of terpenes that contain 20 carbon atoms:

Diterpene

Identify the vaccine which is a sterile suspension of inactivated virus strains that are grown separately in primary cultures of Rhesus Monkey kidney tissues, bathed in a complex nutrient fluid containing more than 60 ingredients

Poliomyelitis vaccine

Identify the anti-cancer agent that is derived from Pacific yew

Taxanes

100

Select the correct triad of “Health Foods”

Symphytum officinale – Comfrey – hepatotoxic

Module 2 Part 1

ユーザ名非公開 · 100問 · 1年前

Module 2 Part 1