Description : An aqueous solution of glucose behaves as an aldehyde because __________. (a) it is hydrolyzed by water to the free aldehyde (b) it is a ketone, but is in equilibrium with the aldehyde form ... aldehyde (d) its cyclic hemiacetal, the predominant form, is in equilibrium with the free aldehyde form
Last Answer : its cyclic hemiacetal, the predominant form, is in equilibrium with the free aldehyde form
Description : If a potassium iodide solution is electrolyzed, at what electrode would the potassium appear?
Last Answer : ANSWER: CATHODE
Description : Which of the following is the quaternary structure of proteins concerned with? (a) sequence of amino acids in the peptide chain (b) description of the way the peptide chains are arranged with ... (c) location of the disulfide bridges in the peptide chain (d) conformation of the protein backbone
Last Answer : description of the way the peptide chains are arranged with respect to each other
Description : Which of the following is the first step in the determination of the primary structure of proteins? (a) determining the number and kind of amino acids in the peptide (b) reducing the disulfide bridges ... (c) protecting the N-terminal of the peptide (d) protecting the C-terminal of the peptide
Last Answer : reducing the disulfide bridges in the protein
Description : Which of the following statements is not true about triacylglycerols? (a) When solids and semisolids at room temperature, they are called fats. (b) When liquids at room temperature, they are ... low melting points are composed of saturated fatty acids, causing them to be liquids at room temperature
Last Answer : Triacylglycerols with low melting points are composed of saturated fatty acids, causing them to be liquids at room temperature
Description : Which one of the following can be oxidized to the corresponding carbonyl compound - (1) O-Nitrophenol (2) Phenol (3) 2-methyl-2-hydroxy propane (4) 2-hydroxy propane
Last Answer : (4) 2-hydroxy propane
Description : The fatty acids containing even number and odd number of carbon atoms as well as the unsaturated fatty acids are oxidized by (A) α-oxidation (B) β-oxidation (C) ω-oxidation (D) All of these
Last Answer : Answer : B
Description : Cross linked polymers formed from bi-and trifunctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer __________ properties. (A) Thermoplastic (B) Thermosetting (C) Elastometric (D) Brittleness
Last Answer : (C) Elastometric
Description : In biotin-containing enzymes, the biotin is bound to the enzyme by (A) An amide linkage to carboxyl group of glutamine (B) A covalent bond with CO2 (C) An amide linkage to an amino group of lysine (D) An amide linkage to α-carboxyl group of protein
Last Answer : Answer : C
Description : Which of the following statements is False/Incorrect about nitrobenzene? (a) is formed by nitration of benzene at temperatures below 60°C. (b) can be further nitrated to give m-dinitrobenzene. (c) can be oxidized with KMnO4 to give benzoic acid. (d) can be reduced with Sn/HCl to give aniline.
Last Answer : can be oxidized with KMnO4 to give benzoic acid
Description : When ethanol is treated with sodium metal : (a) Sodium ethoxide is formed (b) The sodium is oxidized (c) The acidic hydrogen in reduced (d) All these occu
Last Answer : All these occu
Description : What two products are formed when a hydrocarbon is oxidized to completion?
Last Answer : ANSWER: CO2 AND H2O (CARBON DIOXIDE AND WATER)
Description : What is the formula for chlorine disulfide?
Last Answer : The formula for chlorine disulfide is ClS2.
Description : What is the bond angle and molecular shape of silicon disulfide?
Last Answer : Molecular shape= linearbond angle = 180 degrees
Description : DNA is (A) Usually present in tissues as a nucleo protein and cannot be separated from its protein component (B) A long chain polymer in which the internucleotide linkages are of the diester type between C-3 ... linkages are between C-2' and C-5' (D) Hydrolyzed by weal alkali (pH9 to 100°C)
Description : The triacyl glycerol present in plasma lipoproteins are hydrolyzed by (A) Linqual lipase (B) Pancreatic lipase (C) Colipase (D) Lipoprotein lipase
Last Answer : Answer : D
Description : Insulin degradation of disulfide bond formation is effected by (A) Pyruvate dehydrogenase (B) Xylitol reductase (C) Gutathione reductase (D) Xanthine oxidase
Description : Which are the cholesterol esters that enter cells through the receptor-mediated endocytosis of lipoproteins hydrolyzed? (A) Endoplasmin reticulum (B) Lysosomes (C) Plasma membrane receptor (D) Mitochondria
Last Answer : B
Last Answer : (B) Lysosomes
Description : Each antibody molecule is made up of how many PAIR of polypeptide chains, joined together by disulfide bonds. a) 1 b) 2 c) 3 d) 4
Last Answer : ANSWER: B -- 2
Description : Alcohol is dehydrated using __________ distillation. (A) Extractive (B) Azeotropic (C) Steam (D) Molecular
Last Answer : (B) Azeotropic
Description : A compound X with moleuclar formula `C_(3)H_(8)O` can be oxidized to a compoud Y with the molecular formula `C_(3)H_(6)O_(2)`. X is most likely to be
Last Answer : A compound X with moleuclar formula `C_(3)H_(8)O` can be oxidized to a compoud Y with the molecular ... Aldehye B. Alcohol C. Ether D. Both 2 and 3
Description : A green coloured solid compound ̳X , gets oxidized to reddish brown solid in presence of air. ̳X on heating gives brown coloured solid ̳Y and two pungent smelling gases ̳A and ̳B . ̳A turns acidified potassium ... , SO 3 , decomposition (d) FeSO 4 , Fe 2 O 3 , SO 3 , SO 2 , decomposition
Last Answer : (c) FeSO 4 , Fe 2 O 3, SO 2 , SO 3 , decomposition
Description : Many living organisms exhibit the unique property of producing visible light. The compound that is oxidized with subsequent light emission is usually referred to as luciferin. What is the enzyme which catalyzes the reaction known as?
Last Answer : ANSWER: Luciferase
Description : The reddish -brown gas formed when nitric oxide is oxidized by air is
Last Answer : The reddish -brown gas formed when nitric oxide is oxidized by air is A. `NO_(2)` B. `N_(2)O_(4)` C. `N_(2)O_(5)` D. `N_(2)O_(3)`
Description : If glucose-1-phosphate formed by glycogenoloysis in muscles is oxidized to CO2 and H2O, the energy yield will be (A) 2 ATP equivalents (B) 3 ATP equivalents (C) 4 ATP equivalents (D) 8 ATP equivalents
Description : In non shivering thermogenesis (A) Glucose is oxidized to lactate (B) Fatty acids uncouple oxidative phosphorylation (C) Ethanol is formed (D) ATP is burned for heat production
Description : The ratio that approximates the number of net molecule of ATP formed per mole of Glucose oxidized in presence of O2 to the net number formed in abscence of O2 is (A) 4 : 1 (B) 10 : 2 (C) 12 : 1 (D) 18 : 1
Description : Whatis Zeolite? (1) Hydrated Aluminosilicate (2) Hydrated Calcium Sulphate (3) Dehydrated Aluminosilicate (4) Dehydrated Calcium Sulphate
Last Answer : (1) Hydrated Aluminosilicate Explanation: Zeolites are hydrated aluminosilicate minerals made from interlinked tetrahedra of alumina (AlO4) and silica (SiO4). In simpler words, they're solids with a ... as sodium, potassium, and magnesium) plus water molecules trapped in the gaps between them.
Description : What is Zeolite? (1) Hydrated Aluminosilicate (2) Hydrated Calcium Sulphate (3) Dehydrated Aluminosilicate (4) Dehydrated Calcium Sulphate
Last Answer : Hydrated Aluminosilicate
Description : A dissaccharide formed by 1,1-glycosidic linkage between their monosaccharide units is (A) Lactose (B) Maltose (C) Trehalose (D) Sucrose
Last Answer : C
Description : If the sewage is fully oxidized, the nitrogen is in the form of – (1) Nitrites (2) Ammonia (3) Nitramines (4) Nitrates
Last Answer : (4) Nitrates Explanation: Oxidized forms of nitrogen include nitrite (NO2) and nitrate (NO3). Nitrogen mainly occurs in wastewater in this form. Because nitrite is easily oxidized to nitrate, nitrate is the compound predominantly found in groundwater and surface waters.
Description : In the conversion of wine to vinegar (a) Ethanol is oxidized to acetic acid (b) Ethanol is reduced to acetic acid (c) Methanol is oxidized to acetic acid (d) Methanol is reduced to acetic acid
Last Answer : Ethanol is oxidized to acetic acid
Description : Which of the following is not a property of thiols (RSH)? (a) They are all solids (b) They can be oxidized to disulfides (c) They have foul odors (d) They are weak acids
Last Answer : They are all solids
Description : Ethers are kept in brown bottles because (a) Brown bottles are cheaper than colorless clear bottles (b) Ethers absorb moisture (c) Ethers evaporate readily (d) Ethers are oxidized to explosive peroxides
Last Answer : Ethers are oxidized to explosive peroxides
Description : Which of the following compounds will not be easily oxidized? (a) Primary alcohol (b) Secondary alcohol (c) Tertiary alcohol (d) Aldehyde
Last Answer : Tertiary alcohol
Description : An aldehyde can be oxidized to form: w) a ketone x) an acid y) an alcohol z) an ester
Last Answer : ANSWER: X -- AN ACID
Description : Which of the following is NOT oxidized by chlorine? w) F- (read: F minus) x) Br- (read: B - R minus) y) F2 (read: F - 2) z) I- (read: I minus)
Last Answer : ANSWER: A -- F
Description : In the common dry cell, the zinc atoms are: w) reduced at the cathode x) oxidized at the cathode y) oxidized at the anode z) reduced at the anode
Last Answer : ANSWER: Y -- OXIDIZED AT THE ANODE
Description : If the sewage is fully oxidized, the nitrogen is in the form of (1) Nitrites (2) Ammonia (3) Nitramines (4) Nitrates
Last Answer : Nitrates
Description : Will dehydrated sugar bind to the surface of graphite?
Last Answer : answer:You will get loose carbon on graphite. What form is the graphite - sheets or fiber? The standard way to make carbon/carbon composite is to put goop over the fibers. The goop would be a material ... . Heat the stuff in an oxygen-free environment (nitrogen, argon, or vacuum), and let it go.
Description : Ever used dehydrated bell peppers? How did they work out?
Last Answer : I have not tried dehydrated bell peppers, however, I have cut up bell peppers and then frozen them, and that has worked out quite well.
Description : Pimples, oily, slightly dehydrated skin what can we do?
Last Answer : answer:Well, I'll pass on some great advice I got from @asmonet about my skin issues. Have your daughter try this homemade facial scrub: 3 tbsp extra virgin olive oil 2 tbsp honey ½ cup extra fine granulated ... you do, don't use anything too harsh or drying on her skin. Keep it mild. Good luck!
Description : If you were completely dehydrated, how long does it take to re-hydrate?
Last Answer : answer:“Completely dehydrated” = dead If you mean “almost dead,” then probably about four to five hours to rehydrate.
Description : Can Someone Become Dehydrated By Drinking Only Sodas, No Water?
Last Answer : Not as such. If you drink only sodas, you will hydrate. It's just that they don't hydrate as well as water. So if you're outside on a hot day and doing lots of exercise and drinking only ... dehydrate. Of course, there's a lot of other reasons not to drink soda, but that's a different question.
Description : I'm dehydrated. When should I go to the hospital?
Last Answer : Don't even bother contacting your ob, go straight to the ER. Let them know you are pregnant and your symtoms. Dehydration while pregnant is very serious. I got dehydrated multiple times with pregnancy, ... right back to get fluids you'll feel great afterwards. You need to keep up with your fluids!
Description : What is the IUPAC name of the product obtained when 2-methyl-1-cyclopentanol is dehydrated in the presence of an acid catalyst and heat?
Last Answer : Verizon FiOS et Verizon Broadband Services offrent une vitesse fulgurante et une clarté cristalline du réseau Fios 100% fibre optique et une fiabilité éprouvée pour leurs produits TV, internet et ... qui dépasseront vos attentes aujourd'hui et vous garderont connecté sur la route.cutt.ly/lhVmk6u
Description : What is the meaning of ' electromotive force 1.5 volts' of a dehydrated cell ?
Last Answer : The electromotive force of a dehydrated cell is 1.5 volts' , which means 1.5 joules of electricity to conduct 1 coulomb of electricity from the positive pole of the cell to the negative pole .