Module 2

100問 • 1年前

問題一覧

What are the anti cancer agents that are derived from the bark of PACIFIC YEW. These agents stabilise the microtubule polymer and protects it from depolymerization

Taxanes

Teniposide

Topoisomerase II Inhibitors

Etoposide

Topoisomerase II Inhibitors

Which of the following antibiotics are PROTEIN SYNTHESIS INHIBITORS

Chloramphenicol, Clindamycim and Gentamycin

Irinotecan and Topotecan

Camptotheca acuminata

Choose the organelle where BIOSYNTHESIS of ribosomes occurs

Nucleolus

Choose the organelle where biosynthesis of fatty acid occurs

Smooth ER

What are the alkaloid derived from Catharantus roseus

Vincristine and Vinblastine

Site of Calvin Cycle

Chloroplast

What are the products of Light Reaction?

ATP and NADPH

Glycolysis: EMP , Photosynthesis:

Calvin Cycle

HMP Shunt

Pentose Phosphate Pathway

MEMBRANE FLUIDITY I. Membrane fluidity is controlled by fatty acids composition and cholesterol content II. Fatty acid chains in membrane bilayers can exist as an ordered, rigid state or in a relatively disordered, fluid state. III. The transition from rigid to fluid state takes place abruptly as the temperature is loweree below the melting temperature IV. The presence of saturated acid residues favors the fluid state because their straight chain HC chains interact favorably with one another.

I and II

Membrane Channels I. Membrane permeability is conferred by 3 classes of membrane proteins: pumps, carriers and channels. Il. Pump action is an example of passive transport Il. Channels provide a membrane pore through which ions can flow very rapidly in a thermodynamically downhill direction IV. The transport of molecules across a membrane is always by active transport.

I and III

Select the statements that best characterize cell membranes I. The two faces of biological membranes are always the same II. Membrane potential plays a vital role in transport, energy conversion, and excitability III. Membrane lipid spontaneously form closed bimolecular sheets in aqueous media that form barriers to the flow of polar molecules IV. Glycolipids are the major class of membrane lipids.

II and III

Radiation that has no mass and no charge but has the GREATEST PENETRATING POWER

Gamma

Dark Reaction: Calvin Cycle , Glycolysis: _____

EMP

Common name of Bos taurus

Cow

Measurement for OPTICAL ROTATION

Polarimeter

Oral Supplements for OSTHEOARTHRITIS

Chondroitin Sulfate

Type of Keratan found in CORNEA

Keratan Sulfate I

Keratan found in loose connective tissues

Keratan Sulfate II

Found in CARTILAGE

Chondroitin Sulfate

Most abundant GAG

Chondroitin Sulfate

Most heterogeneous GAG

Keratan Sulfate

NON Sulfated GAG

Hyarulonic Acid

Its function is a lubricant and shock absorber in SYNOVIAL FLUIDS in joints

Hyarulonic acid

Injected INTRA-ARTICULARLY in patients with Osteoarthritis

Hyarulonic Acid

GAG present in SKIN, blood vessels and heart vessels

Dermatan Sulfate

Antidote for Heparin Toxicity

Protamine

ANTICOAGULANTS present in mast cells that line arteries

Heparin Sulfate

MOA OF Heparin Sulfate

binds to Anti-Thrombin III

Prepared from INTESTINAL MUCOSE of animals

Heparin Sulfate

Heparin is for

Pregnant as an anti coagulation, Protamine, Polymer, Parenteral

Heparin Sulfate are:

Heavily Sulfated, Glucosamine + Iduronic acid or Glucosamine + Glucuronic acid, Fraction of HEPARAN, Anticoagulants

Extracellular components and less sulfated

Heparan Sulfate

Acidulant in INFANT AND FEEDING FORMULAS

Lactic Acid

Acidulants present in Effervescent formulations

Citric Acid, Tartaric Acid

self-binding tablet DILUENT AND DISINTEGRATING agent

Powdered Cellulose

SOFT, FLUFFY staple fiber that grows around the seeds of plants of the genus GOSSYPIUM in the family Malvaceae

Cotton

Cotton + HNO3 + H2SO4

Pyroxilin

Cotton + HNO3

Cellulose

Fibers of Linum spp

Flax

Fibers of gossypium spp

Cotton

Fiber in seeds of Cannabis sativa

Hemph

Fibers are natural polymers extracted from brown seaweeds

Alginate Fibers

D-glucose and D-mannose are both hexoses. What type of isomers are they?

Epimers

Starch, Cellulose, and Inulin are complex sugars hydrolyzed by certain enzymes to form simple sugars. They are classified as ____

Homoglycans

Which of the following complex sugars are homoglycans?

Cellulose, starch, inulin

Which of the following is a chemical test for monosaccharides?

Benedict's test

Which of the following is a test for reducing sugars?

Fehling's test

Which of the following is a test for ketoses?

Seliwanoff's

This metabolic product is used as an acidulant, especially in infant, feeding formula.

Lactic acid

This carbohydrate is used as a self-binding tablet diluent and disintegrating agent.

Powdered cellulose

Which complex carbohydrates are characterized by their amino and uronic acid contents?

Glycosaminoglycans

Heparin vs Heparan I. Heparin is a fraction of Heparan Il. Heparin consists of repeating disaccharide of glucosamine and iduronate, that is heavily sulfated IlI. Heparin has a great affinity to antithrombin III, a plasma protein that inhibits proteases involved in the formation of blood clots IV. Heparin is prepared from intestinal mucosa, which is rich in Heparan sulfate proteoglycans

All statements are correct

Carbohydrates are our body's immediate source of metabolic energy. Select the statement that BEST describes carbohydrates.

Sugars are amorphous powders, water-soluble, and sweet tasting substances.

Soft, fluffy staple fiber that grows around the seeds of plants of the genus Gossypium in the family Malvaceae

Cotton

A flammable mixture of cellulose nitrate, usually with less than 12.5% Nitrogen, that is soluble in a mixture of ether and alcohol

Pyroxylin

The fiber in seeds of Cannabis sativa

Hemp

A member of the genus Linum, which is a food and fiber crop cultivated in cooler regions of the world

Flax

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

Hyaluronic acid

What is the mechanism of action of malt extract as an aid in digesting starch?

Converts into water-soluble sugars NOT less than 5 times its weight of starch.

The fibers are made from a natural polymer extracted from brown seaweeds.

Alginate Fibers

Which of the following statements best describe D and L isomerism in sugar? I. When the OH group in carbon-5 of glucose is on the right, the sugar is dextrorotatory Il. Most monosaccharides in mammals are of the D configuration. IlI. The asymmetric carbon atom confers optical activity on the sugars IV. Sugars of the D series rotate olane polarized light to the left

I, II, III

Select the glycosaminoglycan present in cornea.

Keratan I sulfate

What chemical test is employed for the detection of reducing sugar in urine?

Benedict's

D-Glucose and L-Glucose

Enantiomers

Test for Peptide Bonds

Biuret Test

It determines the type of emulsion

Sudan Red

The following are products of the Krebs Cycle

3 NADH, 1 FADH2, 1 GTP

The process of synthesis of glucose and other carbohydrate molecules from simple precursors

Photosynthesis

Insulin is mostly classified as a

Hormone

Which of the following are products of Pentose Phosphate Pathway? I. NADH II. NADPH III. Ribose

II and III

A pituitary disorder that directly affects kidney function, NO unusual level of glucose in the urine observed.

Diabetes Insipidus

Select the site of pyruvate formation during glycolysis.

Liver

A normal amount of insulin is produced, either it is not released fast enough when blood sugar rises or the target tissues have a reduced responsiveness

Diabetes Mellitus Type II

Beta cells of the pancreas are gone. No insulin is produced. This condition is controlled by daily injections of insulin

Diabetes Mellitus Type I

Develops when the body is starved with glucose during prolonged fasting or starvation

Ketosis

Glycogen metabolism is controlled by certain hormones. These hormones are:

Epinephrine, glucagon, insulin

In Gluconeogenesis, non-sugar precursors are converted to glucose. These precursors are:

Glycerol, lactate, pyruvate, glycogenic amino acids

What are the end product of Glycolysis?

Pyruvate

What is the chemical reaction involved in the conversion of fructose-1,6-bis-phosphate to glyceraldehyde-3-P and dihydroxyacetone phosphate.

Aldol cleavage

What is the chemical reaction involved in the conversion of 3-phosphpglycerate to 2-phosphoglycerate?

Phosphoryl shift

What is the chemical reaction involved in the conversion of glyceraldehyde-3-phosphate to 1,3-bisphosphoglycerate.

Reduction-oxidation

Which of the following is false about Glycolysis?

The second part of glycolysis splits the six-carbon molecule into three two-carbon fragments.

The enzyme in the Tricarboxylic Acid Cycle that catalyzes the carboxylation of pyruvate to give oxaloacetate.

Pyruvate carboxylase

The enzyme in the Tricarboxylic Acid Cycle that catalyzes the condensation of oxaloacetate and acetyl-CoA.

Citrate synthase

Cholesteryl Esters

Steroids

Vit D3 Precursor

7-Dehydro-Cholesterol

Which vitamins are Terpenes

Vit A, Vit E, Vit K

Retinol

Vit A

Tocopherol

Vit E

Menadion

Vit K

MOST acitve Vitamine E

alpha-Tocopherol

Anti-Oxidant

Vit E

Important for Clotting Factors

Vit K

Visual Pigments

Vit A

Classify: Prostaglandins

Fatty acid

100

Which of the following is the major storage form of fatty acids?

Triglyceride

Module 2 Part 1

ユーザ名非公開 · 100問 · 1年前

Module 2 Part 1