Description : DNA stands for: a) Deoxyribonucleic Acid b) Deep Nuclear Acid c) Dependant Nucleic Attributes d) Dem New Adidas
Last Answer : a) Deoxyribonucleic Acid
Description : True or false? DNA is an abbreviation for ‘Deoxyribonucleic acid’
Last Answer : True
Description : This compound has a double helical structure. (A) Deoxyribonucleic acid (B) RNA (C) Flavine-adevine dinucleotide (D) Nicotinamide adamine dinucleotide
Last Answer : Answer : A
Description : $ Proteins, polysaccharides and nucleic acid are the macromolecules of a cell. ! DNA contains Ribose Sugar.
Last Answer : $ Proteins, polysaccharides and nucleic acid are the macromolecules of a cell. ! DNA contains Ribose Sugar. A ... wrong D. If both As and R are wrong.
Description : Orcinol method is employed in the quantitation of (A) Nucleic acid (B) DNA (C) RNA (D) Proteins
Last Answer : Answer : C
Description : Diphenylamine method is employed in the quantitation of (A) Nucleic acid (B) RNA (C) DNA (D) Proteins
Description : If in a nucleic acid there are more than 8000 nucleotides it is most likely (A) RNA (B) DNA (C) Both (A) and (B) (D) None of these
Last Answer : Answer : B
Description : Which of the following statements about nucleic acid is most correct? (A) Both pentose nucleic acid and deoxypentose nucleic acid contain the same pyrimidines (B) Both pentose nucleic acid and deoxypentose ... (C) RNA contains cytosine and thymine (D) DNA and RNA are hydrolysed by weak alkali
Description : The nucleic acid base found in mRNA but not in DNA is (A) Adenine (B) Cytosine (C) Guanine (D) Uracil
Last Answer : Answer : D
Description : True statements about the nucleic acid include: a. contains purine and pyrimidine which are bound together by covalent bonds b. there is always an equal concentration of purine and pyrimidine c. in RNA, ... d. introns is more common than exons on the DNA e. the histones mark the excision site
Last Answer : there is always an equal concentration of purine and pyrimidine
Description : Which one of the following statements about viruses is correct? (a) Viruses possess their own metabolic system. (b) All viruses contain both RNA and DNA. (c) Viruses are obligate parasites. (d) Nucleic acid of viruses is known as capsid.
Last Answer : (c) Viruses are obligate parasites.
Description : The pH value of water is kept slightly less than 7 so that hydrochloride ions may combine with ammonia ions to form (A) Mono-chloramine (NHCl) (B) Di-chloramine (NH2Cl) (C) Nitrogen tri-chloramine (NCl3) (D) All the above
Last Answer : (D) All the above
Description : Dry ice is the solid form of : (1) Air (2) Carbon di–oxide (3) Nitrogen (4) Water
Last Answer : Carbon di–oxide
Description : ________ present in air helps in combustion of fuel. a) oxygen b)nitrogen c)carbon-di-oxide d)carbon –mono-oxide
Last Answer : a) oxygen
Description : Which one of the following is a greenhouse gas? (1) Oxygen (2) Nitrogen (3) Carbon-di-Oxide (4) Ozone
Last Answer : Carbon-di-Oxide
Description : Which of the following asborbs part of the insolation and preserves earth’s radiated heat? (1) Oxygen (2) Nitrogen (3) Water vapour (4) Carbon-di-oxide
Last Answer : Water vapour
Description : Substances containing all the four elements: carbon, hydrogen nitrogen and oxygen are 1. Morphine 2. Nucleic acids 3. Starch 4. Quinine Select the correct answer by using the code below, (a) 2, 3 and 4 only (b) 1, 2 and 4 only (c) 1, 2, 3 and 4 (d) 1, 2 and 3 only
Last Answer : Ans:(b)
Description : 83. Which one of the following is wrong statement ? (1) Nitrosomonas and Nitrobacter are chemoautotrophs (2) Anabaena and Nostoc are capable of fixing nitrogen in free-living state also (3 ... living conditions (4) Phosphorus is a constituent of cell membranes, certain nucleic acids and all proteins
Last Answer : Phosphorus is a constituent of cell membranes, certain nucleic acids and all proteins
Description : Some viruses have RNA but no DNA. This would indicate that – (1) these viruses cannot replicate (2) these viruses have no heritable information (3) RNA transmits the hereditary information in these viruses (4) their nucleic acids can be crystallised
Last Answer : (2) these viruses have no heritable information Explanation: DNA is an informational molecule encoding the genetic instructions Along with RNA and proteins, it is one of the three major macromolecules that are ... guanine, adenine, thymine, and cytosine) recorded using the letters G, A, T, and C.
Description : Which of the following is not a natural polymer? (A) Nucleic acids e.g. RNA and DNA (B) Polysaccharides (C) Polyisoprene (D) Polyurethane
Last Answer : (D) Polyurethane
Description : Nissl’s bodies are mainly composed of (a) proteins and lipids (b) DNA and RNA (c) nucleic acids and SER (d) free ribosomes and RER.
Last Answer : (d) free ribosomes and RER.
Description : Which is wrong about nucleic acids? (a) DNA is single stranded in some viruses. (b) RNA is double stranded occasionally. (c) Length of one helix is 45 Å in B-DNA. (d) One turn of Z-DNA has 12 bases
Last Answer : (c) Length of one helix is 45 Å in B-DNA
Description : Which one of the following structural formulae of two organic compounds is correctly identified along with its related function? (a) B : Adenine - A nucleotide that makes up nucleic acids (b) A : Triglyceride - ... ) B : Uracil - A component of DNA (d) A : Lecithin - A component of cell membrane
Last Answer : (d) A : Lecithin - A component of cell membrane
Description : What is the weak bond holding the nucleic acids together in DNA? a. ionic bonds b. covalent bonds bonds c. polar bond d. hydrogen bond
Last Answer : d. hydrogen bond
Description : Nissl bodies are mainly composed of (1) Proteins and lipids (2) DNA and RNA (3) Nucleic acids and SER (4) Free ribosomes and RER
Last Answer : (4) Free ribosomes and RER
Description : Some viruses have RNA but no DNA. This would indicate that– (1) these viruses cannot replicate (2) these viruses have no heritable information (3) RNA transmits the hereditary information in these viruses (4) their nucleic acids can be crystallised
Last Answer : these viruses have no heritable information
Description : The presence of free ammonia in sewage, is detected by A. Boiling B. Adding potassium permanganate C. Adding sulphuric acid D. Phenol-di-sulphuric acid
Last Answer : ANS: A
Description : For detecting the nitrites in the sewage, the matching colour may be developed by adding A. Potassium permanganate B. Sulphuric acid and napthamine C. Phenol-di -sulphuric acid potassium hydroxide D. None of these
Last Answer : ANS: B
Description : For detecting the nitrates in sewage, the colour may be developed by adding A. Potassium permanganate B. Sulphuric acid and napthamine C. Phenol-di -sulphuric acid and potassium hydroxide D. None of these
Last Answer : ANS: C
Description : Acid Reacts with metals and released............gas. (a) Carbon di oxide (b) Water (c) Hydrogen (d) None
Last Answer : (c) Hydrogen
Description : What is the difference between a nucleotide and a nucleic acid?
Last Answer : A: A nucleotide is a building block of nucleic acids, consisting of a sugar, a phosphate group, and a nitrogenous base, while a nucleic acid is a polymer made up of nucleotide monomers.
Description : Deoxyribose Nucleic Acid?
Last Answer : probably because the technology needed to examine it was too expensive or not sophisticated enough, but that’s my guess
Description : Basic rule for the replication of nucleic acid -Biology
Last Answer : answer:
Description : What is nucleic acid ?
Last Answer : Nucleic acid ( Nucleic acid) is the largest , most molecular , molecular-mass and polymer-like chemical in the cell that regulates the various biological functions of the organism.
Description : Which acid is present in nucleic acid ?
Last Answer : Nucleic acid contains phosphoric acid ( H3PO4) .
Last Answer : Nucleic acid (DNA) was discovered in 189 by the Swiss scientist Friedrich Mischer. He named it Nuclein. He later said that it could affect heredity. Nucleic acid (English: Nucleic acid) is the largest ... It is currently the foundation of genome and biotechnology and forensic sciences. [2] [3] [4]
Description : Assertion: The genetic material in Tobacco mosaic virus in RNA. Reason: RNA is a type of nucleic acid.
Last Answer : Assertion: The genetic material in Tobacco mosaic virus in RNA. Reason: RNA is a type of nucleic acid. A. ... is wrong D. If both As and R are wrong.
Description : What are Nucleic acid that is a constituent of chromosomes?
Last Answer : What is the answer ?
Description : What Nucleic acid polymers are made up of?
Last Answer : Need answer
Description : Nucleic acid show strong absorption at one of the wavelength: (A) 280 nm (B) 220 nm (C) 360 nm (D) 260 nm
Description : An enzyme is a (A) Carbohydrate (B) Lipid (C) Protein (D) Nucleic acid ENZYMES 171
Description : For biosynthesis of proteins (A) Amino acids only are required (B) Amino acids and nucleic acids only are required (C) Amino acid, nucleic acids and ATP only are required (D) Amino acids, nucleic acids, ATP, GTP, enzymes and activators are required
Description : Which one is common amongst nucleus, chloroplast and mitochondria? (a) Cristae (b) Thylakoids (c) Nucleic acid (d) Carbohydrate metabolism
Last Answer : Ans. ((c))
Description : Which nucleic acid is necessary for protein biosynthesis?
Last Answer : Ans. RNA
Description : Which nucleic acid controls all cellular activities?
Last Answer : Ans. DNA
Description : Which of the following statement(s) is/are true concerning translation of the mRNA message to protein synthesis? a. An adaptor molecule, tRNA, recognizes specific nucleic acid bases and unites them ... and the free amino acid occurs in the free cytoplasm d. Complete protein synthesis takes hours
Last Answer : Answer: a, b The synthesis of protein involves conversion from a four-letter nucleotide language to one of 20 chemically distinct amino acids. This process is referred to as ... translation and be moving down the mRNA molecules simultaneously, thus increasing the rate of protein synthesis
Description : Structurally silk is (a) a polyamide (b) a polyester (c) an enzyme (d) a nucleic acid
Last Answer : Ans:(a)
Description : Which one of the following is known as the ‘immovable property’ in the cell? (1) Carbohydrate (2) Fat (3) Protein (4) Nucleic acid
Last Answer : (4) Nucleic acid Explanation: Immovable property is an immovable object, an item of property that cannot be moved without destroying or altering it – property that is fixed to the earth, such as land or a house.
Description : Viruses are made up of – (1) Protein and lipids (2) Nucleic and protein (3) Lipids and carbohydrate (4) Carbohydrate and Nucleic acid
Last Answer : (2) Nucleic and protein Explanation: A virus is made up of a core of genetic material, either DNA or RNA, surrounded by a protective coat called a capsid which is made up of protein.